28667315

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{3511}}^1$

素因数の和:3610

約数の個数: 16

約数和(自身を含む): 36412416

約数和(自身を除く): 7745101

約数列:

[1, 5, 23, 71, 115, 355, 1633, 3511, 8165, 17555, 80753, 249281, 403765, 1246405, 5733463, 28667315]

約数ペア:

[(1, 28667315), (5, 5733463), (23, 1246405), (71, 403765), (115, 249281), (355, 80753), (1633, 17555), (3511, 8165)]