Numbers k divisible by their abundance sigma(k) - 2*k.
A097498
Numbers k divisible by their abundance sigma(k) - 2*k.
Terms
- a(0) =1a(1) =2a(2) =4a(3) =8a(4) =10a(5) =12a(6) =16a(7) =18a(8) =20a(9) =24a(10) =32a(11) =40a(12) =44a(13) =56a(14) =64a(15) =88a(16) =104a(17) =120a(18) =128a(19) =136a(20) =152a(21) =184a(22) =196a(23) =224a(24) =234a(25) =256a(26) =368a(27) =464a(28) =512a(29) =650
External references
- oeis: A097498