2561655278

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{127}}^1\times {\mathrm{307}}^1$

素因数の和:494

約数の個数: 96

約数和(自身を含む): 5046902784

約数和(自身を除く): 2485247506

約数列:

[1, 2, 7, 13, 14, 19, 26, 38, 91, 127, 133, 182, 247, 254, 266, 307, 361, 494, 614, 722, 889, 1651, 1729, 1778, 2149, 2413, 2527, 3302, 3458, 3991, 4298, 4693, 4826, 5054, 5833, 7982, 9386, 11557, 11666, 16891, 23114, 27937, 31369, 32851, 33782, 38989, 40831, 45847, 55874, 62738, 65702, 75829, 77978, 81662, 91694, 110827, 151658, 219583, 221654, 272923, 320929, 439166, 506857, 530803, 545846, 596011, 641858, 740791, 775789, 1013714, 1061606, 1192022, 1440751, 1481582, 1551578, 2881502, 3547999, 4172077, 5185537, 7095998, 8344154, 9630283, 10085257, 10371074, 14075029, 19260566, 20170514, 28150058, 67411981, 98525203, 134823962, 182975377, 197050406, 365950754, 1280827639, 2561655278]

約数ペア:

[(1, 2561655278), (2, 1280827639), (7, 365950754), (13, 197050406), (14, 182975377), (19, 134823962), (26, 98525203), (38, 67411981), (91, 28150058), (127, 20170514), (133, 19260566), (182, 14075029), (247, 10371074), (254, 10085257), (266, 9630283), (307, 8344154), (361, 7095998), (494, 5185537), (614, 4172077), (722, 3547999), (889, 2881502), (1651, 1551578), (1729, 1481582), (1778, 1440751), (2149, 1192022), (2413, 1061606), (2527, 1013714), (3302, 775789), (3458, 740791), (3991, 641858), (4298, 596011), (4693, 545846), (4826, 530803), (5054, 506857), (5833, 439166), (7982, 320929), (9386, 272923), (11557, 221654), (11666, 219583), (16891, 151658), (23114, 110827), (27937, 91694), (31369, 81662), (32851, 77978), (33782, 75829), (38989, 65702), (40831, 62738), (45847, 55874)]