389635576

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{997}}^1\times {\mathrm{4441}}^1$

素因数の和:5455

約数の個数: 32

約数和(自身を含む): 797960880

約数和(自身を除く): 408325304

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 997, 1994, 3988, 4441, 7976, 8882, 10967, 17764, 21934, 35528, 43868, 48851, 87736, 97702, 195404, 390808, 4427677, 8855354, 17710708, 35421416, 48704447, 97408894, 194817788, 389635576]

約数ペア:

[(1, 389635576), (2, 194817788), (4, 97408894), (8, 48704447), (11, 35421416), (22, 17710708), (44, 8855354), (88, 4427677), (997, 390808), (1994, 195404), (3988, 97702), (4441, 87736), (7976, 48851), (8882, 43868), (10967, 35528), (17764, 21934)]