Numbers m such that the equation m = k*sigma(k) has more than one solution.
A337873
Numbers m such that the equation m = k*sigma(k) has more than one solution.
Terms
- a(0) =336a(1) =5952a(2) =10080a(3) =27776a(4) =44352a(5) =60480a(6) =61152a(7) =97536a(8) =102816a(9) =127680a(10) =178560a(11) =185472a(12) =196560a(13) =260400a(14) =292320a(15) =333312a(16) =455168a(17) =472416a(18) =578592a(19) =635712a(20) =758016a(21) =785664a(22) =833280a(23) =961632a(24) =1083264a(25) =1179360a(26) =1189440a(27) =1270752a(28) =1330560a(29) =1530816
External references
- oeis: A337873