Numbers n for which n = sigma*(x) = sigma*(y), where n = x + y and sigma*(n) is the sum of the anti-divisors of n.
A227977
Numbers n for which n = sigma*(x) = sigma*(y), where n = x + y and sigma*(n) is the sum of the anti-divisors of n.
Terms
- a(0) =154a(1) =3136a(2) =5536a(3) =20066a(4) =136036a(5) =9550080a(6) =78011830
External references
- oeis: A227977