39997724

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{353}}^1\times {\mathrm{2179}}^1$

素因数の和:2549

約数の個数: 24

約数和(自身を含む): 75628560

約数和(自身を除く): 35630836

約数列:

[1, 2, 4, 13, 26, 52, 353, 706, 1412, 2179, 4358, 4589, 8716, 9178, 18356, 28327, 56654, 113308, 769187, 1538374, 3076748, 9999431, 19998862, 39997724]

約数ペア:

[(1, 39997724), (2, 19998862), (4, 9999431), (13, 3076748), (26, 1538374), (52, 769187), (353, 113308), (706, 56654), (1412, 28327), (2179, 18356), (4358, 9178), (4589, 8716)]