209215889

素因数分解:

${\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{18451}}^1$

素因数の和:18520

約数の個数: 16

約数和(自身を含む): 239137920

約数和(自身を除く): 29922031

約数列:

[1, 17, 23, 29, 391, 493, 667, 11339, 18451, 313667, 424373, 535079, 7214341, 9096343, 12306817, 209215889]

約数ペア:

[(1, 209215889), (17, 12306817), (23, 9096343), (29, 7214341), (391, 535079), (493, 424373), (667, 313667), (11339, 18451)]