321419

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{73}}^1$

素因数の和:134

約数の個数: 16

約数和(自身を含む): 404928

約数和(自身を除く): 83509

約数列:

[1, 7, 17, 37, 73, 119, 259, 511, 629, 1241, 2701, 4403, 8687, 18907, 45917, 321419]

約数ペア:

[(1, 321419), (7, 45917), (17, 18907), (37, 8687), (73, 4403), (119, 2701), (259, 1241), (511, 629)]