163938910

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{399851}}^1$

素因数の和:399899

約数の個数: 16

約数和(自身を含む): 302288112

約数和(自身を除く): 138349202

約数列:

[1, 2, 5, 10, 41, 82, 205, 410, 399851, 799702, 1999255, 3998510, 16393891, 32787782, 81969455, 163938910]

約数ペア:

[(1, 163938910), (2, 81969455), (5, 32787782), (10, 16393891), (41, 3998510), (82, 1999255), (205, 799702), (410, 399851)]