161987404

素因数分解:

$2^2\times {\mathrm{1721}}^1\times {\mathrm{23531}}^1$

素因数の和:25256

約数の個数: 12

約数和(自身を含む): 283654728

約数和(自身を除く): 121667324

約数列:

[1, 2, 4, 1721, 3442, 6884, 23531, 47062, 94124, 40496851, 80993702, 161987404]

約数ペア:

[(1, 161987404), (2, 80993702), (4, 40496851), (1721, 94124), (3442, 47062), (6884, 23531)]