640722424

素因数分解:

$2^3\times {\mathrm{47}}^1\times {\mathrm{1021}}^1\times {\mathrm{1669}}^1$

素因数の和:2743

約数の個数: 32

約数和(自身を含む): 1228852800

約数和(自身を除く): 588130376

約数列:

[1, 2, 4, 8, 47, 94, 188, 376, 1021, 1669, 2042, 3338, 4084, 6676, 8168, 13352, 47987, 78443, 95974, 156886, 191948, 313772, 383896, 627544, 1704049, 3408098, 6816196, 13632392, 80090303, 160180606, 320361212, 640722424]

約数ペア:

[(1, 640722424), (2, 320361212), (4, 160180606), (8, 80090303), (47, 13632392), (94, 6816196), (188, 3408098), (376, 1704049), (1021, 627544), (1669, 383896), (2042, 313772), (3338, 191948), (4084, 156886), (6676, 95974), (8168, 78443), (13352, 47987)]