487995557

素因数分解:

$7^2\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{20201}}^1$

素因数の和:20261

約数の個数: 24

約数和(自身を含む): 621817560

約数和(自身を除く): 133822003

約数列:

[1, 7, 17, 29, 49, 119, 203, 493, 833, 1421, 3451, 20201, 24157, 141407, 343417, 585829, 989849, 2403919, 4100803, 9959093, 16827433, 28705621, 69713651, 487995557]

約数ペア:

[(1, 487995557), (7, 69713651), (17, 28705621), (29, 16827433), (49, 9959093), (119, 4100803), (203, 2403919), (493, 989849), (833, 585829), (1421, 343417), (3451, 141407), (20201, 24157)]