28665485

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^2\times {\mathrm{401}}^1$

素因数の和:481

約数の個数: 24

約数和(自身を含む): 37815336

約数和(自身を除く): 9149851

約数列:

[1, 5, 17, 29, 85, 145, 401, 493, 841, 2005, 2465, 4205, 6817, 11629, 14297, 34085, 58145, 71485, 197693, 337241, 988465, 1686205, 5733097, 28665485]

約数ペア:

[(1, 28665485), (5, 5733097), (17, 1686205), (29, 988465), (85, 337241), (145, 197693), (401, 71485), (493, 58145), (841, 34085), (2005, 14297), (2465, 11629), (4205, 6817)]