28747901

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{18583}}^1$

素因数の和:18620

約数の個数: 16

約数和(自身を含む): 37465344

約数和(自身を除く): 8717443

約数列:

[1, 7, 13, 17, 91, 119, 221, 1547, 18583, 130081, 241579, 315911, 1691053, 2211377, 4106843, 28747901]

約数ペア:

[(1, 28747901), (7, 4106843), (13, 2211377), (17, 1691053), (91, 315911), (119, 241579), (221, 130081), (1547, 18583)]