Numbers n such that sigma(n) = 2n + omega(n), where omega(n) is the number of distinct prime divisors of n.
A063785
Numbers n such that sigma(n) = 2n + omega(n), where omega(n) is the number of distinct prime divisors of n.
Terms
- a(0) =20a(1) =104a(2) =464a(3) =1952a(4) =4030a(5) =5830a(6) =130304a(7) =522752a(8) =1848964a(9) =8382464a(10) =134193152
External references
- oeis: A063785