209937335

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{617}}^1\times {\mathrm{4003}}^1$

素因数の和:4642

約数の個数: 16

約数和(自身を含む): 267242976

約数和(自身を除く): 57305641

約数列:

[1, 5, 17, 85, 617, 3085, 4003, 10489, 20015, 52445, 68051, 340255, 2469851, 12349255, 41987467, 209937335]

約数ペア:

[(1, 209937335), (5, 41987467), (17, 12349255), (85, 2469851), (617, 340255), (3085, 68051), (4003, 52445), (10489, 20015)]