161944165

素因数分解:

$5^1\times {\mathrm{131}}^1\times {\mathrm{433}}^1\times {\mathrm{571}}^1$

素因数の和:1140

約数の個数: 16

約数和(自身を含む): 196612416

約数和(自身を除く): 34668251

約数列:

[1, 5, 131, 433, 571, 655, 2165, 2855, 56723, 74801, 247243, 283615, 374005, 1236215, 32388833, 161944165]

約数ペア:

[(1, 161944165), (5, 32388833), (131, 1236215), (433, 374005), (571, 283615), (655, 247243), (2165, 74801), (2855, 56723)]