12137905

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^2\times {\mathrm{353}}^1$

素因数の和:417

約数の個数: 24

約数和(自身を含む): 16444008

約数和(自身を除く): 4306103

約数列:

[1, 5, 13, 23, 65, 115, 299, 353, 529, 1495, 1765, 2645, 4589, 6877, 8119, 22945, 34385, 40595, 105547, 186737, 527735, 933685, 2427581, 12137905]

約数ペア:

[(1, 12137905), (5, 2427581), (13, 933685), (23, 527735), (65, 186737), (115, 105547), (299, 40595), (353, 34385), (529, 22945), (1495, 8119), (1765, 6877), (2645, 4589)]