28431125

素因数分解:

$5^3\times {\mathrm{19}}^1\times {\mathrm{11971}}^1$

素因数の和:12005

約数の個数: 16

約数和(自身を含む): 37352640

約数和(自身を除く): 8921515

約数列:

[1, 5, 19, 25, 95, 125, 475, 2375, 11971, 59855, 227449, 299275, 1137245, 1496375, 5686225, 28431125]

約数ペア:

[(1, 28431125), (5, 5686225), (19, 1496375), (25, 1137245), (95, 299275), (125, 227449), (475, 59855), (2375, 11971)]