391328770

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{163}}^1\times {\mathrm{34297}}^1$

素因数の和:34474

約数の個数: 32

約数和(自身を含む): 809981568

約数和(自身を除く): 418652798

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 163, 326, 815, 1141, 1630, 2282, 5705, 11410, 34297, 68594, 171485, 240079, 342970, 480158, 1200395, 2400790, 5590411, 11180822, 27952055, 39132877, 55904110, 78265754, 195664385, 391328770]

約数ペア:

[(1, 391328770), (2, 195664385), (5, 78265754), (7, 55904110), (10, 39132877), (14, 27952055), (35, 11180822), (70, 5590411), (163, 2400790), (326, 1200395), (815, 480158), (1141, 342970), (1630, 240079), (2282, 171485), (5705, 68594), (11410, 34297)]