220999724

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{456611}}^1$

素因数の和:456637

約数の個数: 18

約数和(自身を含む): 425105772

約数和(自身を除く): 204106048

約数列:

[1, 2, 4, 11, 22, 44, 121, 242, 484, 456611, 913222, 1826444, 5022721, 10045442, 20090884, 55249931, 110499862, 220999724]

約数ペア:

[(1, 220999724), (2, 110499862), (4, 55249931), (11, 20090884), (22, 10045442), (44, 5022721), (121, 1826444), (242, 913222), (484, 456611)]