638560802

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{29}}^1\times {\mathrm{90989}}^1$

素因数の和:91042

約数の個数: 24

約数和(自身を含む): 1089150300

約数和(自身を除く): 450589498

約数列:

[1, 2, 11, 22, 29, 58, 121, 242, 319, 638, 3509, 7018, 90989, 181978, 1000879, 2001758, 2638681, 5277362, 11009669, 22019338, 29025491, 58050982, 319280401, 638560802]

約数ペア:

[(1, 638560802), (2, 319280401), (11, 58050982), (22, 29025491), (29, 22019338), (58, 11009669), (121, 5277362), (242, 2638681), (319, 2001758), (638, 1000879), (3509, 181978), (7018, 90989)]