263459976

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{109}}^1\times {\mathrm{127}}^1$

素因数の和:319

約数の個数: 128

約数和(自身を含む): 733286400

約数和(自身を除く): 469826424

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 61, 78, 104, 109, 122, 127, 156, 183, 218, 244, 254, 312, 327, 366, 381, 436, 488, 508, 654, 732, 762, 793, 872, 1016, 1308, 1417, 1464, 1524, 1586, 1651, 2379, 2616, 2834, 3048, 3172, 3302, 4251, 4758, 4953, 5668, 6344, 6604, 6649, 7747, 8502, 9516, 9906, 11336, 13208, 13298, 13843, 15494, 17004, 19032, 19812, 19947, 23241, 26596, 27686, 30988, 34008, 39624, 39894, 41529, 46482, 53192, 55372, 61976, 79788, 83058, 86437, 92964, 100711, 110744, 159576, 166116, 172874, 179959, 185928, 201422, 259311, 302133, 332232, 345748, 359918, 402844, 518622, 539877, 604266, 691496, 719836, 805688, 844423, 1037244, 1079754, 1208532, 1439672, 1688846, 2074488, 2159508, 2417064, 2533269, 3377692, 4319016, 5066538, 6755384, 10133076, 10977499, 20266152, 21954998, 32932497, 43909996, 65864994, 87819992, 131729988, 263459976]

約数ペア:

[(1, 263459976), (2, 131729988), (3, 87819992), (4, 65864994), (6, 43909996), (8, 32932497), (12, 21954998), (13, 20266152), (24, 10977499), (26, 10133076), (39, 6755384), (52, 5066538), (61, 4319016), (78, 3377692), (104, 2533269), (109, 2417064), (122, 2159508), (127, 2074488), (156, 1688846), (183, 1439672), (218, 1208532), (244, 1079754), (254, 1037244), (312, 844423), (327, 805688), (366, 719836), (381, 691496), (436, 604266), (488, 539877), (508, 518622), (654, 402844), (732, 359918), (762, 345748), (793, 332232), (872, 302133), (1016, 259311), (1308, 201422), (1417, 185928), (1464, 179959), (1524, 172874), (1586, 166116), (1651, 159576), (2379, 110744), (2616, 100711), (2834, 92964), (3048, 86437), (3172, 83058), (3302, 79788), (4251, 61976), (4758, 55372), (4953, 53192), (5668, 46482), (6344, 41529), (6604, 39894), (6649, 39624), (7747, 34008), (8502, 30988), (9516, 27686), (9906, 26596), (11336, 23241), (13208, 19947), (13298, 19812), (13843, 19032), (15494, 17004)]