898005025

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{2112953}}^1$

素因数の和:2112980

約数の個数: 12

約数和(自身を含む): 1179028332

約数和(自身を除く): 281023307

約数列:

[1, 5, 17, 25, 85, 425, 2112953, 10564765, 35920201, 52823825, 179601005, 898005025]

約数ペア:

[(1, 898005025), (5, 179601005), (17, 52823825), (25, 35920201), (85, 10564765), (425, 2112953)]