28379075

素因数分解:

$5^2\times {\mathrm{103}}^2\times {\mathrm{107}}^1$

素因数の和:323

約数の個数: 18

約数和(自身を含む): 35867124

約数和(自身を除く): 7488049

約数列:

[1, 5, 25, 103, 107, 515, 535, 2575, 2675, 10609, 11021, 53045, 55105, 265225, 275525, 1135163, 5675815, 28379075]

約数ペア:

[(1, 28379075), (5, 5675815), (25, 1135163), (103, 275525), (107, 265225), (515, 55105), (535, 53045), (2575, 11021), (2675, 10609)]