31928533

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{20639}}^1$

素因数の和:20676

約数の個数: 16

約数和(自身を含む): 41610240

約数和(自身を除く): 9681707

約数列:

[1, 7, 13, 17, 91, 119, 221, 1547, 20639, 144473, 268307, 350863, 1878149, 2456041, 4561219, 31928533]

約数ペア:

[(1, 31928533), (7, 4561219), (13, 2456041), (17, 1878149), (91, 350863), (119, 268307), (221, 144473), (1547, 20639)]