161120939

素因数分解:

$7^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{7907}}^1$

素因数の和:8026

約数の個数: 16

約数和(自身を含む): 191310336

約数和(自身を除く): 30189397

約数列:

[1, 7, 41, 71, 287, 497, 2911, 7907, 20377, 55349, 324187, 561397, 2269309, 3929779, 23017277, 161120939]

約数ペア:

[(1, 161120939), (7, 23017277), (41, 3929779), (71, 2269309), (287, 561397), (497, 324187), (2911, 55349), (7907, 20377)]