397325663

素因数分解:

$7^2\times {\mathrm{19}}^1\times {\mathrm{426773}}^1$

素因数の和:426806

約数の個数: 12

約数和(自身を含む): 486522360

約数和(自身を除く): 89196697

約数列:

[1, 7, 19, 49, 133, 931, 426773, 2987411, 8108687, 20911877, 56760809, 397325663]

約数ペア:

[(1, 397325663), (7, 56760809), (19, 20911877), (49, 8108687), (133, 2987411), (931, 426773)]