81275128

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{923581}}^1$

素因数の和:923598

約数の個数: 16

約数和(自身を含む): 166244760

約数和(自身を除く): 84969632

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 923581, 1847162, 3694324, 7388648, 10159391, 20318782, 40637564, 81275128]

約数ペア:

[(1, 81275128), (2, 40637564), (4, 20318782), (8, 10159391), (11, 7388648), (22, 3694324), (44, 1847162), (88, 923581)]