2142425

素因数分解:

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

素因数の和:169

約数の個数: 18

約数和(自身を含む): 2853054

約数和(自身を除く): 710629

約数列:

[1, 5, 17, 25, 71, 85, 355, 425, 1207, 1775, 5041, 6035, 25205, 30175, 85697, 126025, 428485, 2142425]

約数ペア:

[(1, 2142425), (5, 428485), (17, 126025), (25, 85697), (71, 30175), (85, 25205), (355, 6035), (425, 5041), (1207, 1775)]