28201901

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{44273}}^1$

素因数の和:44300

約数の個数: 12

約数和(自身を含む): 35330652

約数和(自身を除く): 7128751

約数列:

[1, 7, 13, 49, 91, 637, 44273, 309911, 575549, 2169377, 4028843, 28201901]

約数ペア:

[(1, 28201901), (7, 4028843), (13, 2169377), (49, 575549), (91, 309911), (637, 44273)]