Multiperfect numbers sigma(n) = k*n, which are divisible by the sum of their prime factors without repetition.
A114887
Multiperfect numbers sigma(n) = k*n, which are divisible by the sum of their prime factors without repetition.
Terms
- a(0) =120a(1) =672a(2) =32760a(3) =2178540a(4) =1379454720a(5) =14182439040a(6) =518666803200
External references
- oeis: A114887