28485965

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{139}}^1\times {\mathrm{2411}}^1$

素因数の和:2572

約数の個数: 16

約数和(自身を含む): 36469440

約数和(自身を除く): 7983475

約数列:

[1, 5, 17, 85, 139, 695, 2363, 2411, 11815, 12055, 40987, 204935, 335129, 1675645, 5697193, 28485965]

約数ペア:

[(1, 28485965), (5, 5697193), (17, 1675645), (85, 335129), (139, 204935), (695, 40987), (2363, 12055), (2411, 11815)]