208969210

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{509681}}^1$

素因数の和:509729

約数の個数: 16

約数和(自身を含む): 385319592

約数和(自身を除く): 176350382

約数列:

[1, 2, 5, 10, 41, 82, 205, 410, 509681, 1019362, 2548405, 5096810, 20896921, 41793842, 104484605, 208969210]

約数ペア:

[(1, 208969210), (2, 104484605), (5, 41793842), (10, 20896921), (41, 5096810), (82, 2548405), (205, 1019362), (410, 509681)]