40989886

素因数分解:

$2^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{26861}}^1$

素因数の和:26979

約数の個数: 16

約数和(自身を含む): 70915680

約数和(自身を除く): 29925794

約数列:

[1, 2, 7, 14, 109, 218, 763, 1526, 26861, 53722, 188027, 376054, 2927849, 5855698, 20494943, 40989886]

約数ペア:

[(1, 40989886), (2, 20494943), (7, 5855698), (14, 2927849), (109, 376054), (218, 188027), (763, 53722), (1526, 26861)]