12861605

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{337}}^1\times {\mathrm{449}}^1$

素因数の和:808

約数の個数: 16

約数和(自身を含む): 16426800

約数和(自身を除く): 3565195

約数列:

[1, 5, 17, 85, 337, 449, 1685, 2245, 5729, 7633, 28645, 38165, 151313, 756565, 2572321, 12861605]

約数ペア:

[(1, 12861605), (5, 2572321), (17, 756565), (85, 151313), (337, 38165), (449, 28645), (1685, 7633), (2245, 5729)]