531311389

素因数分解:

$7^1\times {\mathrm{71}}^1\times {\mathrm{97}}^1\times {\mathrm{103}}^1\times {\mathrm{107}}^1$

素因数の和:385

約数の個数: 32

約数和(自身を含む): 634023936

約数和(自身を除く): 102712547

約数列:

[1, 7, 71, 97, 103, 107, 497, 679, 721, 749, 6887, 7313, 7597, 9991, 10379, 11021, 48209, 51191, 53179, 69937, 72653, 77147, 709361, 736909, 782491, 1069037, 4965527, 5158363, 5477437, 7483259, 75901627, 531311389]

約数ペア:

[(1, 531311389), (7, 75901627), (71, 7483259), (97, 5477437), (103, 5158363), (107, 4965527), (497, 1069037), (679, 782491), (721, 736909), (749, 709361), (6887, 77147), (7313, 72653), (7597, 69937), (9991, 53179), (10379, 51191), (11021, 48209)]