172495175

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{405871}}^1$

素因数の和:405898

約数の個数: 12

約数和(自身を含む): 226476576

約数和(自身を除く): 53981401

約数列:

[1, 5, 17, 25, 85, 425, 405871, 2029355, 6899807, 10146775, 34499035, 172495175]

約数ペア:

[(1, 172495175), (5, 34499035), (17, 10146775), (25, 6899807), (85, 2029355), (425, 405871)]