28718858

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{89189}}^1$

素因数の和:89221

約数の個数: 16

約数和(自身を含む): 51373440

約数和(自身を除く): 22654582

約数列:

[1, 2, 7, 14, 23, 46, 161, 322, 89189, 178378, 624323, 1248646, 2051347, 4102694, 14359429, 28718858]

約数ペア:

[(1, 28718858), (2, 14359429), (7, 4102694), (14, 2051347), (23, 1248646), (46, 624323), (161, 178378), (322, 89189)]