40642778

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{1213}}^1\times {\mathrm{1523}}^1$

素因数の和:2749

約数の個数: 16

約数和(自身を含む): 66604896

約数和(自身を除く): 25962118

約数列:

[1, 2, 11, 22, 1213, 1523, 2426, 3046, 13343, 16753, 26686, 33506, 1847399, 3694798, 20321389, 40642778]

約数ペア:

[(1, 40642778), (2, 20321389), (11, 3694798), (22, 1847399), (1213, 33506), (1523, 26686), (2426, 16753), (3046, 13343)]