81259525

素因数分解:

$5^2\times {\mathrm{31}}^1\times {\mathrm{104851}}^1$

素因数の和:104892

約数の個数: 12

約数和(自身を含む): 104013184

約数和(自身を除く): 22753659

約数列:

[1, 5, 25, 31, 155, 775, 104851, 524255, 2621275, 3250381, 16251905, 81259525]

約数ペア:

[(1, 81259525), (5, 16251905), (25, 3250381), (31, 2621275), (155, 524255), (775, 104851)]