319375084

素因数分解:

$2^2\times 7^1\times {\mathrm{521}}^1\times {\mathrm{21893}}^1$

素因数の和:22425

約数の個数: 24

約数和(自身を含む): 640005408

約数和(自身を除く): 320630324

約数列:

[1, 2, 4, 7, 14, 28, 521, 1042, 2084, 3647, 7294, 14588, 21893, 43786, 87572, 153251, 306502, 613004, 11406253, 22812506, 45625012, 79843771, 159687542, 319375084]

約数ペア:

[(1, 319375084), (2, 159687542), (4, 79843771), (7, 45625012), (14, 22812506), (28, 11406253), (521, 613004), (1042, 306502), (2084, 153251), (3647, 87572), (7294, 43786), (14588, 21893)]