128777585

素因数分解:

$5^1\times {\mathrm{131}}^1\times {\mathrm{421}}^1\times {\mathrm{467}}^1$

素因数の和:1024

約数の個数: 16

約数和(自身を含む): 156416832

約数和(自身を除く): 27639247

約数列:

[1, 5, 131, 421, 467, 655, 2105, 2335, 55151, 61177, 196607, 275755, 305885, 983035, 25755517, 128777585]

約数ペア:

[(1, 128777585), (5, 25755517), (131, 983035), (421, 305885), (467, 275755), (655, 196607), (2105, 61177), (2335, 55151)]