56991389

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{283}}^1\times {\mathrm{2213}}^1$

素因数の和:2516

約数の個数: 16

約数和(自身を含む): 70422912

約数和(自身を除く): 13431523

約数列:

[1, 7, 13, 91, 283, 1981, 2213, 3679, 15491, 25753, 28769, 201383, 626279, 4383953, 8141627, 56991389]

約数ペア:

[(1, 56991389), (7, 8141627), (13, 4383953), (91, 626279), (283, 201383), (1981, 28769), (2213, 25753), (3679, 15491)]