2493705728

Appears in sequences

• Numbers n such that sigma(n) = (sigma(n)-n)', where sigma(n) is the sum of the divisors of n and (sigma(n)-n)' is the arithmetic derivative of the sum of aliquot parts of n.at n=10A260964
• Numbers k such that sigma(k) == 0 (mod k-8).at n=45A274562