28093429

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{2221}}^1$

素因数の和:2380

約数の個数: 16

約数和(自身を含む): 34840960

約数和(自身を除く): 6747531

約数列:

[1, 7, 13, 91, 139, 973, 1807, 2221, 12649, 15547, 28873, 202111, 308719, 2161033, 4013347, 28093429]

約数ペア:

[(1, 28093429), (7, 4013347), (13, 2161033), (91, 308719), (139, 202111), (973, 28873), (1807, 15547), (2221, 12649)]