308620

Appears in sequences

• Smaller of an amicable pair: (a,b) such that sigma(a) = sigma(b) = a+b, a < b.at n=23A002025
• Conjectured list of smallest terms of k-sociable cycles of order r.at n=33A183016
• Smaller members of regular amicable pairs.at n=16A215491
• Abundant numbers whose aliquot sequence is abundant, deficient, abundant, ..., etc.at n=32A234969
• Amicable pairs (x < y) ordered by nondecreasing sum (x + y) and then by increasing x.at n=46A259933
• Smaller of amicable pair (x, y) as they are listed in A259933.at n=23A260086
• Amicable pairs of even numbers.at n=36A262622
• Even amicable numbers.at n=35A262624
• 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=26A328063
• 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=20A328065
• Lesser of recursive amicable numbers pair: numbers m < k such that m = s(k) and k = s(m), where s(k) = A333926(k) - k is the sum of proper recursive divisors of k.at n=23A333929