11222225

素因数分解:

$5^2\times 7^2\times {\mathrm{9161}}^1$

素因数の和:9185

約数の個数: 18

約数和(自身を含む): 16189254

約数和(自身を除く): 4967029

約数列:

[1, 5, 7, 25, 35, 49, 175, 245, 1225, 9161, 45805, 64127, 229025, 320635, 448889, 1603175, 2244445, 11222225]

約数ペア:

[(1, 11222225), (5, 2244445), (7, 1603175), (25, 448889), (35, 320635), (49, 229025), (175, 64127), (245, 45805), (1225, 9161)]