209547618

素因数分解:

$2^1\times 3^1\times 7^3\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{233}}^1$

素因数の和:301

約数の個数: 128

約数和(自身を含む): 539136000

約数和(自身を除く): 329588382

約数列:

[1, 2, 3, 6, 7, 14, 19, 21, 23, 38, 42, 46, 49, 57, 69, 98, 114, 133, 138, 147, 161, 233, 266, 294, 322, 343, 399, 437, 466, 483, 686, 699, 798, 874, 931, 966, 1029, 1127, 1311, 1398, 1631, 1862, 2058, 2254, 2622, 2793, 3059, 3262, 3381, 4427, 4893, 5359, 5586, 6118, 6517, 6762, 7889, 8854, 9177, 9786, 10718, 11417, 13034, 13281, 15778, 16077, 18354, 19551, 21413, 22834, 23667, 26562, 30989, 32154, 34251, 37513, 39102, 42826, 47334, 61978, 64239, 68502, 75026, 79919, 92967, 101821, 112539, 128478, 149891, 159838, 185934, 203642, 216923, 225078, 239757, 262591, 299782, 305463, 433846, 449673, 479514, 525182, 610926, 650769, 712747, 787773, 899346, 1301538, 1425494, 1518461, 1575546, 1838137, 2138241, 3036922, 3676274, 4276482, 4555383, 4989229, 5514411, 9110766, 9978458, 11028822, 14967687, 29935374, 34924603, 69849206, 104773809, 209547618]

約数ペア:

[(1, 209547618), (2, 104773809), (3, 69849206), (6, 34924603), (7, 29935374), (14, 14967687), (19, 11028822), (21, 9978458), (23, 9110766), (38, 5514411), (42, 4989229), (46, 4555383), (49, 4276482), (57, 3676274), (69, 3036922), (98, 2138241), (114, 1838137), (133, 1575546), (138, 1518461), (147, 1425494), (161, 1301538), (233, 899346), (266, 787773), (294, 712747), (322, 650769), (343, 610926), (399, 525182), (437, 479514), (466, 449673), (483, 433846), (686, 305463), (699, 299782), (798, 262591), (874, 239757), (931, 225078), (966, 216923), (1029, 203642), (1127, 185934), (1311, 159838), (1398, 149891), (1631, 128478), (1862, 112539), (2058, 101821), (2254, 92967), (2622, 79919), (2793, 75026), (3059, 68502), (3262, 64239), (3381, 61978), (4427, 47334), (4893, 42826), (5359, 39102), (5586, 37513), (6118, 34251), (6517, 32154), (6762, 30989), (7889, 26562), (8854, 23667), (9177, 22834), (9786, 21413), (10718, 19551), (11417, 18354), (13034, 16077), (13281, 15778)]