78607711

素因数分解:

$7^3\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{61}}^1$

素因数の和:129

約数の個数: 48

約数和(自身を含む): 106590400

約数和(自身を除く): 27982689

約数列:

[1, 7, 13, 17, 49, 61, 91, 119, 221, 289, 343, 427, 637, 793, 833, 1037, 1547, 2023, 2989, 3757, 4459, 5551, 5831, 7259, 10829, 13481, 14161, 17629, 20923, 26299, 38857, 50813, 75803, 94367, 99127, 123403, 184093, 229177, 271999, 355691, 660569, 863821, 1288651, 1604239, 4623983, 6046747, 11229673, 78607711]

約数ペア:

[(1, 78607711), (7, 11229673), (13, 6046747), (17, 4623983), (49, 1604239), (61, 1288651), (91, 863821), (119, 660569), (221, 355691), (289, 271999), (343, 229177), (427, 184093), (637, 123403), (793, 99127), (833, 94367), (1037, 75803), (1547, 50813), (2023, 38857), (2989, 26299), (3757, 20923), (4459, 17629), (5551, 14161), (5831, 13481), (7259, 10829)]