402807391

素因数分解:

$7^2\times {\mathrm{19}}^1\times {\mathrm{432661}}^1$

素因数の和:432694

約数の個数: 12

約数和(自身を含む): 493234680

約数和(自身を除く): 90427289

約数列:

[1, 7, 19, 49, 133, 931, 432661, 3028627, 8220559, 21200389, 57543913, 402807391]

約数ペア:

[(1, 402807391), (7, 57543913), (19, 21200389), (49, 8220559), (133, 3028627), (931, 432661)]