85890119

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{17209}}^1$

素因数の和:17270

約数の個数: 16

約数和(自身を含む): 105738240

約数和(自身を除く): 19848121

約数列:

[1, 7, 23, 31, 161, 217, 713, 4991, 17209, 120463, 395807, 533479, 2770649, 3734353, 12270017, 85890119]

約数ペア:

[(1, 85890119), (7, 12270017), (23, 3734353), (31, 2770649), (161, 533479), (217, 395807), (713, 120463), (4991, 17209)]