20161120315

素因数分解:

$5^1\times 7^2\times {\mathrm{82290287}}^1$

素因数の和:82290306

約数の個数: 12

約数和(自身を含む): 28143278496

約数和(自身を除く): 7982158181

約数列:

[1, 5, 7, 35, 49, 245, 82290287, 411451435, 576032009, 2880160045, 4032224063, 20161120315]

約数ペア:

[(1, 20161120315), (5, 4032224063), (7, 2880160045), (35, 576032009), (49, 411451435), (245, 82290287)]