Numbers whose sum of divisors is equal to the product of the number of divisors of their k first powers, for some k.
A283758
Numbers whose sum of divisors is equal to the product of the number of divisors of their k first powers, for some k.
Terms
- a(0) =5a(1) =22a(2) =23a(3) =102a(4) =110a(5) =382a(6) =497a(7) =510a(8) =517a(9) =527a(10) =719a(11) =1436a(12) =4509a(13) =5039a(14) =6906a(15) =8426a(16) =8786a(17) =9051a(18) =9598a(19) =9741a(20) =9951a(21) =10011a(22) =10505a(23) =10795a(24) =11005a(25) =11431a(26) =11501a(27) =11891a(28) =11995a(29) =12121
External references
- oeis: A283758