1620842

素因数分解:

$2^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{401}}^1$

素因数の和:493

約数の個数: 16

約数和(自身を含む): 2547072

約数和(自身を除く): 926230

約数列:

[1, 2, 43, 47, 86, 94, 401, 802, 2021, 4042, 17243, 18847, 34486, 37694, 810421, 1620842]

約数ペア:

[(1, 1620842), (2, 810421), (43, 37694), (47, 34486), (86, 18847), (94, 17243), (401, 4042), (802, 2021)]