78979978

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{83}}^1\times {\mathrm{167}}^1$

素因数の和:307

約数の個数: 64

約数和(自身を含む): 154441728

約数和(自身を除く): 75461750

約数列:

[1, 2, 7, 11, 14, 22, 37, 74, 77, 83, 154, 166, 167, 259, 334, 407, 518, 581, 814, 913, 1162, 1169, 1826, 1837, 2338, 2849, 3071, 3674, 5698, 6142, 6179, 6391, 12358, 12782, 12859, 13861, 21497, 25718, 27722, 33781, 42994, 43253, 67562, 67969, 86506, 97027, 135938, 152471, 194054, 236467, 304942, 472934, 475783, 512857, 951566, 1025714, 1067297, 2134594, 3589999, 5641427, 7179998, 11282854, 39489989, 78979978]

約数ペア:

[(1, 78979978), (2, 39489989), (7, 11282854), (11, 7179998), (14, 5641427), (22, 3589999), (37, 2134594), (74, 1067297), (77, 1025714), (83, 951566), (154, 512857), (166, 475783), (167, 472934), (259, 304942), (334, 236467), (407, 194054), (518, 152471), (581, 135938), (814, 97027), (913, 86506), (1162, 67969), (1169, 67562), (1826, 43253), (1837, 42994), (2338, 33781), (2849, 27722), (3071, 25718), (3674, 21497), (5698, 13861), (6142, 12859), (6179, 12782), (6391, 12358)]