1680748391

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{97}}^1\times {\mathrm{281}}^1\times {\mathrm{383}}^1$

素因数の和:791

約数の個数: 32

約数和(自身を含む): 2037547008

約数和(自身を除く): 356798617

約数列:

[1, 7, 23, 97, 161, 281, 383, 679, 1967, 2231, 2681, 6463, 8809, 15617, 27257, 37151, 45241, 61663, 107623, 190799, 260057, 626911, 753361, 854473, 2475329, 4388377, 5981311, 10439431, 17327303, 73076017, 240106913, 1680748391]

約数ペア:

[(1, 1680748391), (7, 240106913), (23, 73076017), (97, 17327303), (161, 10439431), (281, 5981311), (383, 4388377), (679, 2475329), (1967, 854473), (2231, 753361), (2681, 626911), (6463, 260057), (8809, 190799), (15617, 107623), (27257, 61663), (37151, 45241)]