289320025

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{137}}^1\times {\mathrm{4969}}^1$

素因数の和:5133

約数の個数: 24

約数和(自身を含む): 382709880

約数和(自身を除く): 93389855

約数列:

[1, 5, 17, 25, 85, 137, 425, 685, 2329, 3425, 4969, 11645, 24845, 58225, 84473, 124225, 422365, 680753, 2111825, 3403765, 11572801, 17018825, 57864005, 289320025]

約数ペア:

[(1, 289320025), (5, 57864005), (17, 17018825), (25, 11572801), (85, 3403765), (137, 2111825), (425, 680753), (685, 422365), (2329, 124225), (3425, 84473), (4969, 58225), (11645, 24845)]