51561812

素因数分解:

$2^2\times {\mathrm{409}}^1\times {\mathrm{31517}}^1$

素因数の和:31930

約数の個数: 12

約数和(自身を含む): 90456660

約数和(自身を除く): 38894848

約数列:

[1, 2, 4, 409, 818, 1636, 31517, 63034, 126068, 12890453, 25780906, 51561812]

約数ペア:

[(1, 51561812), (2, 25780906), (4, 12890453), (409, 126068), (818, 63034), (1636, 31517)]