31890728

素因数分解:

$2^3\times {\mathrm{401}}^1\times {\mathrm{9941}}^1$

素因数の和:10348

約数の個数: 16

約数和(自身を含む): 59950260

約数和(自身を除く): 28059532

約数列:

[1, 2, 4, 8, 401, 802, 1604, 3208, 9941, 19882, 39764, 79528, 3986341, 7972682, 15945364, 31890728]

約数ペア:

[(1, 31890728), (2, 15945364), (4, 7972682), (8, 3986341), (401, 79528), (802, 39764), (1604, 19882), (3208, 9941)]