1640561668

素因数分解:

$2^2\times {\mathrm{29}}^1\times {\mathrm{647}}^1\times {\mathrm{21859}}^1$

素因数の和:22539

約数の個数: 24

約数和(自身を含む): 2974708800

約数和(自身を除く): 1334147132

約数列:

[1, 2, 4, 29, 58, 116, 647, 1294, 2588, 18763, 21859, 37526, 43718, 75052, 87436, 633911, 1267822, 2535644, 14142773, 28285546, 56571092, 410140417, 820280834, 1640561668]

約数ペア:

[(1, 1640561668), (2, 820280834), (4, 410140417), (29, 56571092), (58, 28285546), (116, 14142773), (647, 2535644), (1294, 1267822), (2588, 633911), (18763, 87436), (21859, 75052), (37526, 43718)]