208077776

素因数分解:

$2^4\times {\mathrm{101}}^1\times {\mathrm{128761}}^1$

素因数の和:128870

約数の個数: 20

約数和(自身を含む): 407145444

約数和(自身を除く): 199067668

約数列:

[1, 2, 4, 8, 16, 101, 202, 404, 808, 1616, 128761, 257522, 515044, 1030088, 2060176, 13004861, 26009722, 52019444, 104038888, 208077776]

約数ペア:

[(1, 208077776), (2, 104038888), (4, 52019444), (8, 26009722), (16, 13004861), (101, 2060176), (202, 1030088), (404, 515044), (808, 257522), (1616, 128761)]