68712725

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{107}}^1\times {\mathrm{1511}}^1$

素因数の和:1645

約数の個数: 24

約数和(自身を含む): 91119168

約数和(自身を除く): 22406443

約数列:

[1, 5, 17, 25, 85, 107, 425, 535, 1511, 1819, 2675, 7555, 9095, 25687, 37775, 45475, 128435, 161677, 642175, 808385, 2748509, 4041925, 13742545, 68712725]

約数ペア:

[(1, 68712725), (5, 13742545), (17, 4041925), (25, 2748509), (85, 808385), (107, 642175), (425, 161677), (535, 128435), (1511, 45475), (1819, 37775), (2675, 25687), (7555, 9095)]