28398395

素因数分解:

$5^1\times {\mathrm{29}}^1\times {\mathrm{139}}^1\times {\mathrm{1409}}^1$

素因数の和:1582

約数の個数: 16

約数和(自身を含む): 35532000

約数和(自身を除く): 7133605

約数列:

[1, 5, 29, 139, 145, 695, 1409, 4031, 7045, 20155, 40861, 195851, 204305, 979255, 5679679, 28398395]

約数ペア:

[(1, 28398395), (5, 5679679), (29, 979255), (139, 204305), (145, 195851), (695, 40861), (1409, 20155), (4031, 7045)]