81417886

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{919}}^1\times {\mathrm{4027}}^1$

素因数の和:4959

約数の個数: 16

約数和(自身を含む): 133407360

約数和(自身を除く): 51989474

約数列:

[1, 2, 11, 22, 919, 1838, 4027, 8054, 10109, 20218, 44297, 88594, 3700813, 7401626, 40708943, 81417886]

約数ペア:

[(1, 81417886), (2, 40708943), (11, 7401626), (22, 3700813), (919, 88594), (1838, 44297), (4027, 20218), (8054, 10109)]