28258978

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{9241}}^1$

素因数の和:9393

約数の個数: 16

約数和(自身を含む): 46579680

約数和(自身を除く): 18320702

約数列:

[1, 2, 11, 22, 139, 278, 1529, 3058, 9241, 18482, 101651, 203302, 1284499, 2568998, 14129489, 28258978]

約数ペア:

[(1, 28258978), (2, 14129489), (11, 2568998), (22, 1284499), (139, 203302), (278, 101651), (1529, 18482), (3058, 9241)]