123451678

素因数分解:

$2^1\times 7^2\times {\mathrm{61}}^1\times {\mathrm{107}}^1\times {\mathrm{193}}^1$

素因数の和:377

約数の個数: 48

約数和(自身を含む): 222133104

約数和(自身を除く): 98681426

約数列:

[1, 2, 7, 14, 49, 61, 98, 107, 122, 193, 214, 386, 427, 749, 854, 1351, 1498, 2702, 2989, 5243, 5978, 6527, 9457, 10486, 11773, 13054, 18914, 20651, 23546, 41302, 45689, 82411, 91378, 144557, 164822, 289114, 319823, 576877, 639646, 1011899, 1153754, 1259711, 2023798, 2519422, 8817977, 17635954, 61725839, 123451678]

約数ペア:

[(1, 123451678), (2, 61725839), (7, 17635954), (14, 8817977), (49, 2519422), (61, 2023798), (98, 1259711), (107, 1153754), (122, 1011899), (193, 639646), (214, 576877), (386, 319823), (427, 289114), (749, 164822), (854, 144557), (1351, 91378), (1498, 82411), (2702, 45689), (2989, 41302), (5243, 23546), (5978, 20651), (6527, 18914), (9457, 13054), (10486, 11773)]