40639742

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{142097}}^1$

素因数の和:142123

約数の個数: 16

約数和(自身を含む): 71617392

約数和(自身を除く): 30977650

約数列:

[1, 2, 11, 13, 22, 26, 143, 286, 142097, 284194, 1563067, 1847261, 3126134, 3694522, 20319871, 40639742]

約数ペア:

[(1, 40639742), (2, 20319871), (11, 3694522), (13, 3126134), (22, 1847261), (26, 1563067), (143, 284194), (286, 142097)]