161490119

素因数分解:

$7^1\times {\mathrm{61}}^1\times {\mathrm{131}}^1\times {\mathrm{2887}}^1$

素因数の和:3086

約数の個数: 16

約数和(自身を含む): 189083136

約数和(自身を除く): 27593017

約数列:

[1, 7, 61, 131, 427, 917, 2887, 7991, 20209, 55937, 176107, 378197, 1232749, 2647379, 23070017, 161490119]

約数ペア:

[(1, 161490119), (7, 23070017), (61, 2647379), (131, 1232749), (427, 378197), (917, 176107), (2887, 55937), (7991, 20209)]