2008991881

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{139}}^1\times {\mathrm{3847}}^1$

素因数の和:4033

約数の個数: 24

約数和(自身を含む): 2315418560

約数和(自身を除く): 306426679

約数列:

[1, 13, 17, 139, 221, 289, 1807, 2363, 3757, 3847, 30719, 40171, 50011, 65399, 522223, 534733, 850187, 1111783, 6951529, 9090461, 14453179, 118175993, 154537837, 2008991881]

約数ペア:

[(1, 2008991881), (13, 154537837), (17, 118175993), (139, 14453179), (221, 9090461), (289, 6951529), (1807, 1111783), (2363, 850187), (3757, 534733), (3847, 522223), (30719, 65399), (40171, 50011)]