31880816

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{181141}}^1$

素因数の和:181160

約数の個数: 20

約数和(自身を含む): 67384824

約数和(自身を除く): 35504008

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 181141, 362282, 724564, 1449128, 1992551, 2898256, 3985102, 7970204, 15940408, 31880816]

約数ペア:

[(1, 31880816), (2, 15940408), (4, 7970204), (8, 3985102), (11, 2898256), (16, 1992551), (22, 1449128), (44, 724564), (88, 362282), (176, 181141)]