The 28-cycle of the n => sigma(n)-n process, where sigma(n) is the sum of divisors of n (A000203).

A072890

The 28-cycle of the n => sigma(n)-n process, where sigma(n) is the sum of divisors of n (A000203).

Terms

    a(0) =14316a(1) =19116a(2) =31704a(3) =47616a(4) =83328a(5) =177792a(6) =295488a(7) =629072a(8) =589786a(9) =294896a(10) =358336a(11) =418904a(12) =366556a(13) =274924a(14) =275444a(15) =243760a(16) =376736a(17) =381028a(18) =285778a(19) =152990a(20) =122410a(21) =97946a(22) =48976a(23) =45946a(24) =22976a(25) =22744a(26) =19916a(27) =17716a(28) =14316

External references