256126416

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{191}}^1\times {\mathrm{307}}^1$

素因数の和:529

約数の個数: 160

約数和(自身を含む): 821280768

約数和(自身を除く): 565154352

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 13, 14, 16, 21, 24, 26, 28, 39, 42, 48, 52, 56, 78, 84, 91, 104, 112, 156, 168, 182, 191, 208, 273, 307, 312, 336, 364, 382, 546, 573, 614, 624, 728, 764, 921, 1092, 1146, 1228, 1337, 1456, 1528, 1842, 2149, 2184, 2292, 2456, 2483, 2674, 3056, 3684, 3991, 4011, 4298, 4368, 4584, 4912, 4966, 5348, 6447, 7368, 7449, 7982, 8022, 8596, 9168, 9932, 10696, 11973, 12894, 14736, 14898, 15964, 16044, 17192, 17381, 19864, 21392, 23946, 25788, 27937, 29796, 31928, 32088, 34384, 34762, 39728, 47892, 51576, 52143, 55874, 58637, 59592, 63856, 64176, 69524, 83811, 95784, 103152, 104286, 111748, 117274, 119184, 139048, 167622, 175911, 191568, 208572, 223496, 234548, 278096, 335244, 351822, 410459, 417144, 446992, 469096, 670488, 703644, 762281, 820918, 834288, 938192, 1231377, 1340976, 1407288, 1524562, 1641836, 2286843, 2462754, 2814576, 3049124, 3283672, 4573686, 4925508, 5335967, 6098248, 6567344, 9147372, 9851016, 10671934, 12196496, 16007901, 18294744, 19702032, 21343868, 32015802, 36589488, 42687736, 64031604, 85375472, 128063208, 256126416]

約数ペア:

[(1, 256126416), (2, 128063208), (3, 85375472), (4, 64031604), (6, 42687736), (7, 36589488), (8, 32015802), (12, 21343868), (13, 19702032), (14, 18294744), (16, 16007901), (21, 12196496), (24, 10671934), (26, 9851016), (28, 9147372), (39, 6567344), (42, 6098248), (48, 5335967), (52, 4925508), (56, 4573686), (78, 3283672), (84, 3049124), (91, 2814576), (104, 2462754), (112, 2286843), (156, 1641836), (168, 1524562), (182, 1407288), (191, 1340976), (208, 1231377), (273, 938192), (307, 834288), (312, 820918), (336, 762281), (364, 703644), (382, 670488), (546, 469096), (573, 446992), (614, 417144), (624, 410459), (728, 351822), (764, 335244), (921, 278096), (1092, 234548), (1146, 223496), (1228, 208572), (1337, 191568), (1456, 175911), (1528, 167622), (1842, 139048), (2149, 119184), (2184, 117274), (2292, 111748), (2456, 104286), (2483, 103152), (2674, 95784), (3056, 83811), (3684, 69524), (3991, 64176), (4011, 63856), (4298, 59592), (4368, 58637), (4584, 55874), (4912, 52143), (4966, 51576), (5348, 47892), (6447, 39728), (7368, 34762), (7449, 34384), (7982, 32088), (8022, 31928), (8596, 29796), (9168, 27937), (9932, 25788), (10696, 23946), (11973, 21392), (12894, 19864), (14736, 17381), (14898, 17192), (15964, 16044)]