28528415

素因数分解:

$5^1\times {\mathrm{41}}^1\times {\mathrm{317}}^1\times {\mathrm{439}}^1$

素因数の和:802

約数の個数: 16

約数和(自身を含む): 35259840

約数和(自身を除く): 6731425

約数列:

[1, 5, 41, 205, 317, 439, 1585, 2195, 12997, 17999, 64985, 89995, 139163, 695815, 5705683, 28528415]

約数ペア:

[(1, 28528415), (5, 5705683), (41, 695815), (205, 139163), (317, 89995), (439, 64985), (1585, 17999), (2195, 12997)]