87440804

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{1987291}}^1$

素因数の和:1987306

約数の個数: 12

約数和(自身を含む): 166932528

約数和(自身を除く): 79491724

約数列:

[1, 2, 4, 11, 22, 44, 1987291, 3974582, 7949164, 21860201, 43720402, 87440804]

約数ペア:

[(1, 87440804), (2, 43720402), (4, 21860201), (11, 7949164), (22, 3974582), (44, 1987291)]