51188905

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{131}}^1\times {\mathrm{2521}}^1$

素因数の和:2688

約数の個数: 16

約数和(自身を含む): 63917568

約数和(自身を除く): 12728663

約数列:

[1, 5, 31, 131, 155, 655, 2521, 4061, 12605, 20305, 78151, 330251, 390755, 1651255, 10237781, 51188905]

約数ペア:

[(1, 51188905), (5, 10237781), (31, 1651255), (131, 390755), (155, 330251), (655, 78151), (2521, 20305), (4061, 12605)]