81625585

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{421}}^1\times {\mathrm{2281}}^1$

素因数の和:2724

約数の個数: 16

約数和(自身を含む): 104004432

約数和(自身を除く): 22378847

約数列:

[1, 5, 17, 85, 421, 2105, 2281, 7157, 11405, 35785, 38777, 193885, 960301, 4801505, 16325117, 81625585]

約数ペア:

[(1, 81625585), (5, 16325117), (17, 4801505), (85, 960301), (421, 193885), (2105, 38777), (2281, 35785), (7157, 11405)]