64774570

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{163}}^1\times {\mathrm{811}}^1$

素因数の和:995

約数の個数: 48

約数和(自身を含む): 136630368

約数和(自身を除く): 71855798

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 163, 245, 326, 490, 811, 815, 1141, 1622, 1630, 2282, 4055, 5677, 5705, 7987, 8110, 11354, 11410, 15974, 28385, 39739, 39935, 56770, 79478, 79870, 132193, 198695, 264386, 397390, 660965, 925351, 1321930, 1850702, 4626755, 6477457, 9253510, 12954914, 32387285, 64774570]

約数ペア:

[(1, 64774570), (2, 32387285), (5, 12954914), (7, 9253510), (10, 6477457), (14, 4626755), (35, 1850702), (49, 1321930), (70, 925351), (98, 660965), (163, 397390), (245, 264386), (326, 198695), (490, 132193), (811, 79870), (815, 79478), (1141, 56770), (1622, 39935), (1630, 39739), (2282, 28385), (4055, 15974), (5677, 11410), (5705, 11354), (7987, 8110)]