12728516

素因数分解:

$2^2\times {\mathrm{43}}^2\times {\mathrm{1721}}^1$

素因数の和:1811

約数の個数: 18

約数和(自身を含む): 22818222

約数和(自身を除く): 10089706

約数列:

[1, 2, 4, 43, 86, 172, 1721, 1849, 3442, 3698, 6884, 7396, 74003, 148006, 296012, 3182129, 6364258, 12728516]

約数ペア:

[(1, 12728516), (2, 6364258), (4, 3182129), (43, 296012), (86, 148006), (172, 74003), (1721, 7396), (1849, 6884), (3442, 3698)]