176336

Appears in sequences

• Larger of amicable pair.at n=18A002046
• Irregular triangle in which row n consists of the larger of pairs of amicable numbers of the form 2^n pq, with p and q odd primes.at n=4A180651
• Largest members of k-sociable cycles of order r.at n=27A183013
• Let us denote 's' the sum of the deficient numbers in the aliquot parts of x. Sequence lists numbers x such that sigma(s)-s is equal to x.at n=28A254879
• Amicable pairs.at n=37A259180
• Amicable pairs (x < y) ordered by nondecreasing sum (x + y) and then by increasing x.at n=37A259933
• Larger of amicable pair (x, y) as they are listed in A259933.at n=18A260087
• Amicable pairs of even numbers.at n=27A262622
• Even amicable numbers.at n=28A262624
• Numbers n such that n and n+1 both have 20 divisors.at n=28A274361
• Amicable pairs with the property that both members have the same number of divisors.at n=15A328064
• Number of compositions (ordered partitions) of n into distinct decimal palindromes.at n=42A338847
• Integers k such that there exists an integer 0<m<k such that m*sigma(m)^2 + k*sigma(k)^2 = (m+k)^3.at n=21A383714
• Integers k such that there exists an integer 0<m<k such that sigma(m)^2 + sigma(k)^2 = 2*(m+k)^2.at n=37A385008
• Numbers y such that there exists an integer 0 < x < y such that sigma(x)^x * sigma(y)^y = (x+y)^(x+y).at n=18A385186