28721000815

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{10777111}}^1$

素因数の和:10777170

約数の個数: 16

約数和(自身を含む): 38021651136

約数和(自身を除く): 9300650321

約数列:

[1, 5, 13, 41, 65, 205, 533, 2665, 10777111, 53885555, 140102443, 441861551, 700512215, 2209307755, 5744200163, 28721000815]

約数ペア:

[(1, 28721000815), (5, 5744200163), (13, 2209307755), (41, 700512215), (65, 441861551), (205, 140102443), (533, 53885555), (2665, 10777111)]