68879690

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{409}}^1\times {\mathrm{1531}}^1$

素因数の和:1958

約数の個数: 32

約数和(自身を含む): 135673920

約数和(自身を除く): 66794230

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 409, 818, 1531, 2045, 3062, 4090, 4499, 7655, 8998, 15310, 16841, 22495, 33682, 44990, 84205, 168410, 626179, 1252358, 3130895, 6261790, 6887969, 13775938, 34439845, 68879690]

約数ペア:

[(1, 68879690), (2, 34439845), (5, 13775938), (10, 6887969), (11, 6261790), (22, 3130895), (55, 1252358), (110, 626179), (409, 168410), (818, 84205), (1531, 44990), (2045, 33682), (3062, 22495), (4090, 16841), (4499, 15310), (7655, 8998)]