1231639656

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{199}}^1\times {\mathrm{239}}^1$

素因数の和:543

約数の個数: 128

約数和(自身を含む): 3386880000

約数和(自身を除く): 2155240344

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 83, 104, 156, 166, 199, 239, 249, 312, 332, 398, 478, 498, 597, 664, 717, 796, 956, 996, 1079, 1194, 1434, 1592, 1912, 1992, 2158, 2388, 2587, 2868, 3107, 3237, 4316, 4776, 5174, 5736, 6214, 6474, 7761, 8632, 9321, 10348, 12428, 12948, 15522, 16517, 18642, 19837, 20696, 24856, 25896, 31044, 33034, 37284, 39674, 47561, 49551, 59511, 62088, 66068, 74568, 79348, 95122, 99102, 119022, 132136, 142683, 158696, 190244, 198204, 214721, 238044, 257881, 285366, 380488, 396408, 429442, 476088, 515762, 570732, 618293, 644163, 773643, 858884, 1031524, 1141464, 1236586, 1288326, 1547286, 1717768, 1854879, 2063048, 2473172, 2576652, 3094572, 3709758, 3947563, 4946344, 5153304, 6189144, 7419516, 7895126, 11842689, 14839032, 15790252, 23685378, 31580504, 47370756, 51318319, 94741512, 102636638, 153954957, 205273276, 307909914, 410546552, 615819828, 1231639656]

約数ペア:

[(1, 1231639656), (2, 615819828), (3, 410546552), (4, 307909914), (6, 205273276), (8, 153954957), (12, 102636638), (13, 94741512), (24, 51318319), (26, 47370756), (39, 31580504), (52, 23685378), (78, 15790252), (83, 14839032), (104, 11842689), (156, 7895126), (166, 7419516), (199, 6189144), (239, 5153304), (249, 4946344), (312, 3947563), (332, 3709758), (398, 3094572), (478, 2576652), (498, 2473172), (597, 2063048), (664, 1854879), (717, 1717768), (796, 1547286), (956, 1288326), (996, 1236586), (1079, 1141464), (1194, 1031524), (1434, 858884), (1592, 773643), (1912, 644163), (1992, 618293), (2158, 570732), (2388, 515762), (2587, 476088), (2868, 429442), (3107, 396408), (3237, 380488), (4316, 285366), (4776, 257881), (5174, 238044), (5736, 214721), (6214, 198204), (6474, 190244), (7761, 158696), (8632, 142683), (9321, 132136), (10348, 119022), (12428, 99102), (12948, 95122), (15522, 79348), (16517, 74568), (18642, 66068), (19837, 62088), (20696, 59511), (24856, 49551), (25896, 47561), (31044, 39674), (33034, 37284)]