1997789248

素因数分解:

$2^6\times 7^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{73}}^1\times {\mathrm{127}}^1$

素因数の和:269

約数の個数: 224

約数和(自身を含む): 5119729664

約数和(自身を除く): 3121940416

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 32, 37, 52, 56, 64, 73, 74, 91, 104, 112, 127, 146, 148, 182, 208, 224, 254, 259, 292, 296, 364, 416, 448, 481, 508, 511, 518, 584, 592, 728, 832, 889, 949, 962, 1016, 1022, 1036, 1168, 1184, 1456, 1651, 1778, 1898, 1924, 2032, 2044, 2072, 2336, 2368, 2701, 2912, 3302, 3367, 3556, 3796, 3848, 4064, 4088, 4144, 4672, 4699, 5402, 5824, 6604, 6643, 6734, 7112, 7592, 7696, 8128, 8176, 8288, 9271, 9398, 10804, 11557, 13208, 13286, 13468, 14224, 15184, 15392, 16352, 16576, 18542, 18796, 18907, 21608, 23114, 26416, 26572, 26936, 28448, 30368, 30784, 32704, 32893, 35113, 37084, 37592, 37814, 43216, 46228, 52832, 53144, 53872, 56896, 60736, 61087, 64897, 65786, 70226, 74168, 75184, 75628, 86432, 92456, 105664, 106288, 107744, 120523, 122174, 129794, 131572, 140452, 148336, 150368, 151256, 172864, 184912, 212576, 215488, 241046, 244348, 245791, 259588, 263144, 280904, 296672, 300736, 302512, 343027, 369824, 425152, 427609, 482092, 488696, 491582, 519176, 526288, 561808, 593344, 605024, 686054, 739648, 843661, 855218, 964184, 977392, 983164, 1038352, 1052576, 1123616, 1210048, 1372108, 1687322, 1710436, 1928368, 1954784, 1966328, 2076704, 2105152, 2247232, 2401189, 2744216, 3374644, 3420872, 3856736, 3909568, 3932656, 4153408, 4459351, 4802378, 5488432, 6749288, 6841744, 7713472, 7865312, 8918702, 9604756, 10976864, 13498576, 13683488, 15730624, 17837404, 19209512, 21953728, 26997152, 27366976, 31215457, 35674808, 38419024, 53994304, 62430914, 71349616, 76838048, 124861828, 142699232, 153676096, 249723656, 285398464, 499447312, 998894624, 1997789248]

約数ペア:

[(1, 1997789248), (2, 998894624), (4, 499447312), (7, 285398464), (8, 249723656), (13, 153676096), (14, 142699232), (16, 124861828), (26, 76838048), (28, 71349616), (32, 62430914), (37, 53994304), (52, 38419024), (56, 35674808), (64, 31215457), (73, 27366976), (74, 26997152), (91, 21953728), (104, 19209512), (112, 17837404), (127, 15730624), (146, 13683488), (148, 13498576), (182, 10976864), (208, 9604756), (224, 8918702), (254, 7865312), (259, 7713472), (292, 6841744), (296, 6749288), (364, 5488432), (416, 4802378), (448, 4459351), (481, 4153408), (508, 3932656), (511, 3909568), (518, 3856736), (584, 3420872), (592, 3374644), (728, 2744216), (832, 2401189), (889, 2247232), (949, 2105152), (962, 2076704), (1016, 1966328), (1022, 1954784), (1036, 1928368), (1168, 1710436), (1184, 1687322), (1456, 1372108), (1651, 1210048), (1778, 1123616), (1898, 1052576), (1924, 1038352), (2032, 983164), (2044, 977392), (2072, 964184), (2336, 855218), (2368, 843661), (2701, 739648), (2912, 686054), (3302, 605024), (3367, 593344), (3556, 561808), (3796, 526288), (3848, 519176), (4064, 491582), (4088, 488696), (4144, 482092), (4672, 427609), (4699, 425152), (5402, 369824), (5824, 343027), (6604, 302512), (6643, 300736), (6734, 296672), (7112, 280904), (7592, 263144), (7696, 259588), (8128, 245791), (8176, 244348), (8288, 241046), (9271, 215488), (9398, 212576), (10804, 184912), (11557, 172864), (13208, 151256), (13286, 150368), (13468, 148336), (14224, 140452), (15184, 131572), (15392, 129794), (16352, 122174), (16576, 120523), (18542, 107744), (18796, 106288), (18907, 105664), (21608, 92456), (23114, 86432), (26416, 75628), (26572, 75184), (26936, 74168), (28448, 70226), (30368, 65786), (30784, 64897), (32704, 61087), (32893, 60736), (35113, 56896), (37084, 53872), (37592, 53144), (37814, 52832), (43216, 46228)]