28468265

素因数分解:

$5^1\times 7^2\times {\mathrm{131}}^1\times {\mathrm{887}}^1$

素因数の和:1037

約数の個数: 24

約数和(自身を含む): 40087872

約数和(自身を除く): 11619607

約数列:

[1, 5, 7, 35, 49, 131, 245, 655, 887, 917, 4435, 4585, 6209, 6419, 31045, 32095, 43463, 116197, 217315, 580985, 813379, 4066895, 5693653, 28468265]

約数ペア:

[(1, 28468265), (5, 5693653), (7, 4066895), (35, 813379), (49, 580985), (131, 217315), (245, 116197), (655, 43463), (887, 32095), (917, 31045), (4435, 6419), (4585, 6209)]