197019739

素因数分解:

$7^2\times {\mathrm{103}}^2\times {\mathrm{379}}^1$

素因数の和:599

約数の個数: 18

約数和(自身を含む): 232043580

約数和(自身を除く): 35023841

約数列:

[1, 7, 49, 103, 379, 721, 2653, 5047, 10609, 18571, 39037, 74263, 273259, 519841, 1912813, 4020811, 28145677, 197019739]

約数ペア:

[(1, 197019739), (7, 28145677), (49, 4020811), (103, 1912813), (379, 519841), (721, 273259), (2653, 74263), (5047, 39037), (10609, 18571)]