669688
domain: N
Appears in sequences
- Larger of amicable pair.at n=30A002046
- Larger of amicable pair (x, y) as they are listed in A259933.at n=30A260087
- List of pairs of amicable numbers (m,n) where the sum of the pair is divisible by 10.at n=33A291422
- Larger of tri-unitary amicable numbers pair: numbers (m, n) such that tsigma(m) = tsigma(n) = m + n, where tsigma(n) is the sum of the tri-unitary divisors of n (A324706).at n=27A324709
- Amicable pairs with the property that the number of divisors of the smaller member is greater than the number of divisors of the larger member.at n=33A328063
- Amicable pairs with the property that the number of divisors of the smaller member is twice the number of divisors of the larger member.at n=25A328065
- 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=35A383714
- 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=30A385186