81378044

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{127}}^1\times {\mathrm{14563}}^1$

素因数の和:14705

約数の個数: 24

約数和(自身を含む): 156592128

約数和(自身を除く): 75214084

約数列:

[1, 2, 4, 11, 22, 44, 127, 254, 508, 1397, 2794, 5588, 14563, 29126, 58252, 160193, 320386, 640772, 1849501, 3699002, 7398004, 20344511, 40689022, 81378044]

約数ペア:

[(1, 81378044), (2, 40689022), (4, 20344511), (11, 7398004), (22, 3699002), (44, 1849501), (127, 640772), (254, 320386), (508, 160193), (1397, 58252), (2794, 29126), (5588, 14563)]