71640188

素因数分解:

$2^2\times {\mathrm{443}}^1\times {\mathrm{40429}}^1$

素因数の和:40876

約数の個数: 12

約数和(自身を含む): 125656440

約数和(自身を除く): 54016252

約数列:

[1, 2, 4, 443, 886, 1772, 40429, 80858, 161716, 17910047, 35820094, 71640188]

約数ペア:

[(1, 71640188), (2, 35820094), (4, 17910047), (443, 161716), (886, 80858), (1772, 40429)]