Numbers m such that the sum of the first k divisors of m, for some k, is equal to the sum of its other divisors.
A334410
Numbers m such that the sum of the first k divisors of m, for some k, is equal to the sum of its other divisors.
Terms
- a(0) =6a(1) =28a(2) =120a(3) =496a(4) =672a(5) =8128a(6) =35640a(7) =199584a(8) =523776a(9) =2142720a(10) =12999168a(11) =33550336a(12) =459818240a(13) =1476304896a(14) =2836487808a(15) =6039429120a(16) =6399679104a(17) =8589869056a(18) =36639203328a(19) =51001180160a(20) =137438691328a(21) =266653296000a(22) =658470384000
External references
- oeis: A334410