640053764

素因数分解:

$2^2\times 7^1\times {\mathrm{1609}}^1\times {\mathrm{14207}}^1$

素因数の和:15827

約数の個数: 24

約数和(自身を含む): 1280993280

約数和(自身を除く): 640939516

約数列:

[1, 2, 4, 7, 14, 28, 1609, 3218, 6436, 11263, 14207, 22526, 28414, 45052, 56828, 99449, 198898, 397796, 22859063, 45718126, 91436252, 160013441, 320026882, 640053764]

約数ペア:

[(1, 640053764), (2, 320026882), (4, 160013441), (7, 91436252), (14, 45718126), (28, 22859063), (1609, 397796), (3218, 198898), (6436, 99449), (11263, 56828), (14207, 45052), (22526, 28414)]