16868825

素因数分解:

$5^2\times {\mathrm{103}}^1\times {\mathrm{6551}}^1$

素因数の和:6664

約数の個数: 12

約数和(自身を含む): 21123648

約数和(自身を除く): 4254823

約数列:

[1, 5, 25, 103, 515, 2575, 6551, 32755, 163775, 674753, 3373765, 16868825]

約数ペア:

[(1, 16868825), (5, 3373765), (25, 674753), (103, 163775), (515, 32755), (2575, 6551)]