681553510

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{409}}^1\times {\mathrm{15149}}^1$

素因数の和:15576

約数の個数: 32

約数和(自身を含む): 1341684000

約数和(自身を除く): 660130490

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 409, 818, 2045, 4090, 4499, 8998, 15149, 22495, 30298, 44990, 75745, 151490, 166639, 333278, 833195, 1666390, 6195941, 12391882, 30979705, 61959410, 68155351, 136310702, 340776755, 681553510]

約数ペア:

[(1, 681553510), (2, 340776755), (5, 136310702), (10, 68155351), (11, 61959410), (22, 30979705), (55, 12391882), (110, 6195941), (409, 1666390), (818, 833195), (2045, 333278), (4090, 166639), (4499, 151490), (8998, 75745), (15149, 44990), (22495, 30298)]