28305215

素因数分解:

$5^1\times {\mathrm{71}}^2\times {\mathrm{1123}}^1$

素因数の和:1270

約数の個数: 12

約数和(自身を含む): 34482072

約数和(自身を除く): 6176857

約数列:

[1, 5, 71, 355, 1123, 5041, 5615, 25205, 79733, 398665, 5661043, 28305215]

約数ペア:

[(1, 28305215), (5, 5661043), (71, 398665), (355, 79733), (1123, 25205), (5041, 5615)]