78726575

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{2609}}^1$

素因数の和:2707

約数の個数: 24

約数和(自身を含む): 104859360

約数和(自身を除く): 26132785

約数列:

[1, 5, 17, 25, 71, 85, 355, 425, 1207, 1775, 2609, 6035, 13045, 30175, 44353, 65225, 185239, 221765, 926195, 1108825, 3149063, 4630975, 15745315, 78726575]

約数ペア:

[(1, 78726575), (5, 15745315), (17, 4630975), (25, 3149063), (71, 1108825), (85, 926195), (355, 221765), (425, 185239), (1207, 65225), (1775, 44353), (2609, 30175), (6035, 13045)]