161880894721

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{254130133}}^1$

素因数の和:254130160

約数の個数: 12

約数和(自身を含む): 202795846932

約数和(自身を除く): 40914952211

約数列:

[1, 7, 13, 49, 91, 637, 254130133, 1778910931, 3303691729, 12452376517, 23125842103, 161880894721]

約数ペア:

[(1, 161880894721), (7, 23125842103), (13, 12452376517), (49, 3303691729), (91, 1778910931), (637, 254130133)]