289399525

素因数分解:

$5^2\times {\mathrm{41}}^1\times {\mathrm{349}}^1\times {\mathrm{809}}^1$

素因数の和:1209

約数の個数: 24

約数和(自身を含む): 369117000

約数和(自身を除く): 79717475

約数列:

[1, 5, 25, 41, 205, 349, 809, 1025, 1745, 4045, 8725, 14309, 20225, 33169, 71545, 165845, 282341, 357725, 829225, 1411705, 7058525, 11575981, 57879905, 289399525]

約数ペア:

[(1, 289399525), (5, 57879905), (25, 11575981), (41, 7058525), (205, 1411705), (349, 829225), (809, 357725), (1025, 282341), (1745, 165845), (4045, 71545), (8725, 33169), (14309, 20225)]