13221335

素因数分解:

$5^1\times {\mathrm{47}}^1\times {\mathrm{127}}^1\times {\mathrm{443}}^1$

素因数の和:622

約数の個数: 16

約数和(自身を含む): 16367616

約数和(自身を除く): 3146281

約数列:

[1, 5, 47, 127, 235, 443, 635, 2215, 5969, 20821, 29845, 56261, 104105, 281305, 2644267, 13221335]

約数ペア:

[(1, 13221335), (5, 2644267), (47, 281305), (127, 104105), (235, 56261), (443, 29845), (635, 20821), (2215, 5969)]