68090945

素因数分解:

$5^1\times {\mathrm{13}}^2\times {\mathrm{61}}^1\times {\mathrm{1321}}^1$

素因数の和:1413

約数の個数: 24

約数和(自身を含む): 89996472

約数和(自身を除く): 21905527

約数列:

[1, 5, 13, 61, 65, 169, 305, 793, 845, 1321, 3965, 6605, 10309, 17173, 51545, 80581, 85865, 223249, 402905, 1047553, 1116245, 5237765, 13618189, 68090945]

約数ペア:

[(1, 68090945), (5, 13618189), (13, 5237765), (61, 1116245), (65, 1047553), (169, 402905), (305, 223249), (793, 85865), (845, 80581), (1321, 51545), (3965, 17173), (6605, 10309)]