28884037

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{18671}}^1$

素因数の和:18708

約数の個数: 16

約数和(自身を含む): 37642752

約数和(自身を除く): 8758715

約数列:

[1, 7, 13, 17, 91, 119, 221, 1547, 18671, 130697, 242723, 317407, 1699061, 2221849, 4126291, 28884037]

約数ペア:

[(1, 28884037), (7, 4126291), (13, 2221849), (17, 1699061), (91, 317407), (119, 242723), (221, 130697), (1547, 18671)]