1991967744

素因数分解:

$2^{10}\times 3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1609}}^1$

素因数の和:1676

約数の個数: 176

約数和(自身を含む): 5905840640

約数和(自身を除く): 3913872896

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 31, 32, 39, 48, 52, 62, 64, 78, 93, 96, 104, 124, 128, 156, 186, 192, 208, 248, 256, 312, 372, 384, 403, 416, 496, 512, 624, 744, 768, 806, 832, 992, 1024, 1209, 1248, 1488, 1536, 1609, 1612, 1664, 1984, 2418, 2496, 2976, 3072, 3218, 3224, 3328, 3968, 4827, 4836, 4992, 5952, 6436, 6448, 6656, 7936, 9654, 9672, 9984, 11904, 12872, 12896, 13312, 15872, 19308, 19344, 19968, 20917, 23808, 25744, 25792, 31744, 38616, 38688, 39936, 41834, 47616, 49879, 51488, 51584, 62751, 77232, 77376, 83668, 95232, 99758, 102976, 103168, 125502, 149637, 154464, 154752, 167336, 199516, 205952, 206336, 251004, 299274, 308928, 309504, 334672, 399032, 411904, 412672, 502008, 598548, 617856, 619008, 648427, 669344, 798064, 823808, 1004016, 1197096, 1235712, 1238016, 1296854, 1338688, 1596128, 1647616, 1945281, 2008032, 2394192, 2471424, 2593708, 2677376, 3192256, 3890562, 4016064, 4788384, 4942848, 5187416, 5354752, 6384512, 7781124, 8032128, 9576768, 10374832, 10709504, 12769024, 15562248, 16064256, 19153536, 20749664, 21419008, 25538048, 31124496, 32128512, 38307072, 41499328, 51076096, 62248992, 64257024, 76614144, 82998656, 124497984, 153228288, 165997312, 248995968, 331994624, 497991936, 663989248, 995983872, 1991967744]

約数ペア:

[(1, 1991967744), (2, 995983872), (3, 663989248), (4, 497991936), (6, 331994624), (8, 248995968), (12, 165997312), (13, 153228288), (16, 124497984), (24, 82998656), (26, 76614144), (31, 64257024), (32, 62248992), (39, 51076096), (48, 41499328), (52, 38307072), (62, 32128512), (64, 31124496), (78, 25538048), (93, 21419008), (96, 20749664), (104, 19153536), (124, 16064256), (128, 15562248), (156, 12769024), (186, 10709504), (192, 10374832), (208, 9576768), (248, 8032128), (256, 7781124), (312, 6384512), (372, 5354752), (384, 5187416), (403, 4942848), (416, 4788384), (496, 4016064), (512, 3890562), (624, 3192256), (744, 2677376), (768, 2593708), (806, 2471424), (832, 2394192), (992, 2008032), (1024, 1945281), (1209, 1647616), (1248, 1596128), (1488, 1338688), (1536, 1296854), (1609, 1238016), (1612, 1235712), (1664, 1197096), (1984, 1004016), (2418, 823808), (2496, 798064), (2976, 669344), (3072, 648427), (3218, 619008), (3224, 617856), (3328, 598548), (3968, 502008), (4827, 412672), (4836, 411904), (4992, 399032), (5952, 334672), (6436, 309504), (6448, 308928), (6656, 299274), (7936, 251004), (9654, 206336), (9672, 205952), (9984, 199516), (11904, 167336), (12872, 154752), (12896, 154464), (13312, 149637), (15872, 125502), (19308, 103168), (19344, 102976), (19968, 99758), (20917, 95232), (23808, 83668), (25744, 77376), (25792, 77232), (31744, 62751), (38616, 51584), (38688, 51488), (39936, 49879), (41834, 47616)]