211040431

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{41243}}^1$

素因数の和:41310

約数の個数: 16

約数和(自身を含む): 261321984

約数和(自身を除く): 50281553

約数列:

[1, 7, 17, 43, 119, 301, 731, 5117, 41243, 288701, 701131, 1773449, 4907917, 12414143, 30148633, 211040431]

約数ペア:

[(1, 211040431), (7, 30148633), (17, 12414143), (43, 4907917), (119, 1773449), (301, 701131), (731, 288701), (5117, 41243)]