399090289

素因数分解:

${\mathrm{13}}^2\times {\mathrm{101}}^1\times {\mathrm{103}}^1\times {\mathrm{227}}^1$

素因数の和:457

約数の個数: 24

約数和(自身を含む): 442608192

約数和(自身を除く): 43517903

約数列:

[1, 13, 101, 103, 169, 227, 1313, 1339, 2951, 10403, 17069, 17407, 22927, 23381, 38363, 135239, 298051, 303953, 1758107, 2361481, 3874663, 3951389, 30699253, 399090289]

約数ペア:

[(1, 399090289), (13, 30699253), (101, 3951389), (103, 3874663), (169, 2361481), (227, 1758107), (1313, 303953), (1339, 298051), (2951, 135239), (10403, 38363), (17069, 23381), (17407, 22927)]