28012481

素因数分解:

$7^1\times {\mathrm{17}}^2\times {\mathrm{61}}^1\times {\mathrm{227}}^1$

素因数の和:329

約数の個数: 24

約数和(自身を含む): 34718016

約数和(自身を除く): 6705535

約数列:

[1, 7, 17, 61, 119, 227, 289, 427, 1037, 1589, 2023, 3859, 7259, 13847, 17629, 27013, 65603, 96929, 123403, 235399, 459221, 1647793, 4001783, 28012481]

約数ペア:

[(1, 28012481), (7, 4001783), (17, 1647793), (61, 459221), (119, 235399), (227, 123403), (289, 96929), (427, 65603), (1037, 27013), (1589, 17629), (2023, 13847), (3859, 7259)]