206861389

素因数分解:

$7^2\times {\mathrm{17}}^1\times {\mathrm{103}}^1\times {\mathrm{2411}}^1$

素因数の和:2545

約数の個数: 24

約数和(自身を含む): 257370048

約数和(自身を除く): 50508659

約数列:

[1, 7, 17, 49, 103, 119, 721, 833, 1751, 2411, 5047, 12257, 16877, 40987, 85799, 118139, 248333, 286909, 1738331, 2008363, 4221661, 12168317, 29551627, 206861389]

約数ペア:

[(1, 206861389), (7, 29551627), (17, 12168317), (49, 4221661), (103, 2008363), (119, 1738331), (721, 286909), (833, 248333), (1751, 118139), (2411, 85799), (5047, 40987), (12257, 16877)]