215512087

素因数分解:

$7^1\times {\mathrm{37}}^2\times {\mathrm{43}}^1\times {\mathrm{523}}^1$

素因数の和:647

約数の個数: 24

約数和(自身を含む): 259518336

約数和(自身を除く): 44006249

約数列:

[1, 7, 37, 43, 259, 301, 523, 1369, 1591, 3661, 9583, 11137, 19351, 22489, 58867, 135457, 157423, 412069, 715987, 832093, 5011909, 5824651, 30787441, 215512087]

約数ペア:

[(1, 215512087), (7, 30787441), (37, 5824651), (43, 5011909), (259, 832093), (301, 715987), (523, 412069), (1369, 157423), (1591, 135457), (3661, 58867), (9583, 22489), (11137, 19351)]