128547811

素因数分解:

$7^1\times {\mathrm{103}}^1\times {\mathrm{131}}^1\times {\mathrm{1361}}^1$

素因数の和:1602

約数の個数: 16

約数和(自身を含む): 149580288

約数和(自身を除く): 21032477

約数列:

[1, 7, 103, 131, 721, 917, 1361, 9527, 13493, 94451, 140183, 178291, 981281, 1248037, 18363973, 128547811]

約数ペア:

[(1, 128547811), (7, 18363973), (103, 1248037), (131, 981281), (721, 178291), (917, 140183), (1361, 94451), (9527, 13493)]