Multiply-perfect numbers k that do not have a divisor d such that sigma(d)*d = k.
A348032
Multiply-perfect numbers k that do not have a divisor d such that sigma(d)*d = k.
Terms
- a(0) =2178540a(1) =45532800a(2) =459818240a(3) =1476304896a(4) =14182439040a(5) =31998395520a(6) =43861478400a(7) =51001180160a(8) =518666803200a(9) =704575228896
External references
- oeis: A348032