28431410

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{21377}}^1$

素因数の和:21410

約数の個数: 32

約数和(自身を含む): 61568640

約数和(自身を除く): 33137230

約数列:

[1, 2, 5, 7, 10, 14, 19, 35, 38, 70, 95, 133, 190, 266, 665, 1330, 21377, 42754, 106885, 149639, 213770, 299278, 406163, 748195, 812326, 1496390, 2030815, 2843141, 4061630, 5686282, 14215705, 28431410]

約数ペア:

[(1, 28431410), (2, 14215705), (5, 5686282), (7, 4061630), (10, 2843141), (14, 2030815), (19, 1496390), (35, 812326), (38, 748195), (70, 406163), (95, 299278), (133, 213770), (190, 149639), (266, 106885), (665, 42754), (1330, 21377)]