40643966

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{409}}^1\times {\mathrm{4517}}^1$

素因数の和:4939

約数の個数: 16

約数和(自身を含む): 66685680

約数和(自身を除く): 26041714

約数列:

[1, 2, 11, 22, 409, 818, 4499, 4517, 8998, 9034, 49687, 99374, 1847453, 3694906, 20321983, 40643966]

約数ペア:

[(1, 40643966), (2, 20321983), (11, 3694906), (22, 1847453), (409, 99374), (818, 49687), (4499, 9034), (4517, 8998)]