90001009

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{487}}^1\times {\mathrm{1553}}^1$

素因数の和:2064

約数の個数: 16

約数和(自身を含む): 109202688

約数和(自身を除く): 19201679

約数列:

[1, 7, 17, 119, 487, 1553, 3409, 8279, 10871, 26401, 57953, 184807, 756311, 5294177, 12857287, 90001009]

約数ペア:

[(1, 90001009), (7, 12857287), (17, 5294177), (119, 756311), (487, 184807), (1553, 57953), (3409, 26401), (8279, 10871)]