211157821

素因数分解:

$7^1\times {\mathrm{43}}^1\times {\mathrm{317}}^1\times {\mathrm{2213}}^1$

素因数の和:2580

約数の個数: 16

約数和(自身を含む): 247826304

約数和(自身を除く): 36668483

約数列:

[1, 7, 43, 301, 317, 2213, 2219, 13631, 15491, 95159, 95417, 666113, 701521, 4910647, 30165403, 211157821]

約数ペア:

[(1, 211157821), (7, 30165403), (43, 4910647), (301, 701521), (317, 666113), (2213, 95417), (2219, 95159), (13631, 15491)]