212929490

素因数分解:

$2^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{409}}^1\times {\mathrm{659}}^1$

素因数の和:1154

約数の個数: 32

約数和(自身を含む): 389664000

約数和(自身を除く): 176734510

約数列:

[1, 2, 5, 10, 79, 158, 395, 409, 659, 790, 818, 1318, 2045, 3295, 4090, 6590, 32311, 52061, 64622, 104122, 161555, 260305, 269531, 323110, 520610, 539062, 1347655, 2695310, 21292949, 42585898, 106464745, 212929490]

約数ペア:

[(1, 212929490), (2, 106464745), (5, 42585898), (10, 21292949), (79, 2695310), (158, 1347655), (395, 539062), (409, 520610), (659, 323110), (790, 269531), (818, 260305), (1318, 161555), (2045, 104122), (3295, 64622), (4090, 52061), (6590, 32311)]