40402318

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{389}}^1\times {\mathrm{4721}}^1$

素因数の和:5123

約数の個数: 16

約数和(自身を含む): 66296880

約数和(自身を除く): 25894562

約数列:

[1, 2, 11, 22, 389, 778, 4279, 4721, 8558, 9442, 51931, 103862, 1836469, 3672938, 20201159, 40402318]

約数ペア:

[(1, 40402318), (2, 20201159), (11, 3672938), (22, 1836469), (389, 103862), (778, 51931), (4279, 9442), (4721, 8558)]