28261825

素因数分解:

$5^2\times {\mathrm{23}}^2\times {\mathrm{2137}}^1$

素因数の和:2193

約数の個数: 18

約数和(自身を含む): 36651734

約数和(自身を除く): 8389909

約数列:

[1, 5, 23, 25, 115, 529, 575, 2137, 2645, 10685, 13225, 49151, 53425, 245755, 1130473, 1228775, 5652365, 28261825]

約数ペア:

[(1, 28261825), (5, 5652365), (23, 1228775), (25, 1130473), (115, 245755), (529, 53425), (575, 49151), (2137, 13225), (2645, 10685)]