68408890

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{487}}^1\times {\mathrm{1277}}^1$

素因数の和:1782

約数の個数: 32

約数和(自身を含む): 134711424

約数和(自身を除く): 66302534

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 487, 974, 1277, 2435, 2554, 4870, 5357, 6385, 10714, 12770, 14047, 26785, 28094, 53570, 70235, 140470, 621899, 1243798, 3109495, 6218990, 6840889, 13681778, 34204445, 68408890]

約数ペア:

[(1, 68408890), (2, 34204445), (5, 13681778), (10, 6840889), (11, 6218990), (22, 3109495), (55, 1243798), (110, 621899), (487, 140470), (974, 70235), (1277, 53570), (2435, 28094), (2554, 26785), (4870, 14047), (5357, 12770), (6385, 10714)]