1621396208

素因数分解:

$2^4\times {\mathrm{163}}^1\times {\mathrm{621701}}^1$

素因数の和:621872

約数の個数: 20

約数和(自身を含む): 3160732968

約数和(自身を除く): 1539336760

約数列:

[1, 2, 4, 8, 16, 163, 326, 652, 1304, 2608, 621701, 1243402, 2486804, 4973608, 9947216, 101337263, 202674526, 405349052, 810698104, 1621396208]

約数ペア:

[(1, 1621396208), (2, 810698104), (4, 405349052), (8, 202674526), (16, 101337263), (163, 9947216), (326, 4973608), (652, 2486804), (1304, 1243402), (2608, 621701)]