1991039232

素因数分解:

$2^8\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{919}}^1$

素因数の和:989

約数の個数: 288

約数和(自身を含む): 6739640320

約数和(自身を除く): 4748601088

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 13, 14, 16, 21, 24, 26, 28, 31, 32, 39, 42, 48, 52, 56, 62, 64, 78, 84, 91, 93, 96, 104, 112, 124, 128, 156, 168, 182, 186, 192, 208, 217, 224, 248, 256, 273, 312, 336, 364, 372, 384, 403, 416, 434, 448, 496, 546, 624, 651, 672, 728, 744, 768, 806, 832, 868, 896, 919, 992, 1092, 1209, 1248, 1302, 1344, 1456, 1488, 1612, 1664, 1736, 1792, 1838, 1984, 2184, 2418, 2496, 2604, 2688, 2757, 2821, 2912, 2976, 3224, 3328, 3472, 3676, 3968, 4368, 4836, 4992, 5208, 5376, 5514, 5642, 5824, 5952, 6433, 6448, 6944, 7352, 7936, 8463, 8736, 9672, 9984, 10416, 11028, 11284, 11648, 11904, 11947, 12866, 12896, 13888, 14704, 16926, 17472, 19299, 19344, 20832, 22056, 22568, 23296, 23808, 23894, 25732, 25792, 27776, 28489, 29408, 33852, 34944, 35841, 38598, 38688, 41664, 44112, 45136, 47788, 51464, 51584, 55552, 56978, 58816, 67704, 69888, 71682, 77196, 77376, 83328, 83629, 85467, 88224, 90272, 95576, 102928, 103168, 113956, 117632, 135408, 143364, 154392, 154752, 166656, 167258, 170934, 176448, 180544, 191152, 199423, 205856, 227912, 235264, 250887, 270816, 286728, 308784, 309504, 334516, 341868, 352896, 361088, 370357, 382304, 398846, 411712, 455824, 501774, 541632, 573456, 598269, 617568, 669032, 683736, 705792, 722176, 740714, 764608, 797692, 823424, 911648, 1003548, 1083264, 1111071, 1146912, 1196538, 1235136, 1338064, 1367472, 1481428, 1529216, 1595384, 1646848, 1823296, 2007096, 2166528, 2222142, 2293824, 2393076, 2470272, 2592499, 2676128, 2734944, 2962856, 3058432, 3190768, 3646592, 4014192, 4444284, 4587648, 4786152, 4940544, 5184998, 5352256, 5469888, 5925712, 6381536, 7293184, 7777497, 8028384, 8888568, 9175296, 9572304, 10369996, 10704512, 10939776, 11851424, 12763072, 15554994, 16056768, 17777136, 19144608, 20739992, 21409024, 21879552, 23702848, 25526144, 31109988, 32113536, 35554272, 38289216, 41479984, 47405696, 51052288, 62219976, 64227072, 71108544, 76578432, 82959968, 94811392, 124439952, 142217088, 153156864, 165919936, 248879904, 284434176, 331839872, 497759808, 663679744, 995519616, 1991039232]

約数ペア:

[(1, 1991039232), (2, 995519616), (3, 663679744), (4, 497759808), (6, 331839872), (7, 284434176), (8, 248879904), (12, 165919936), (13, 153156864), (14, 142217088), (16, 124439952), (21, 94811392), (24, 82959968), (26, 76578432), (28, 71108544), (31, 64227072), (32, 62219976), (39, 51052288), (42, 47405696), (48, 41479984), (52, 38289216), (56, 35554272), (62, 32113536), (64, 31109988), (78, 25526144), (84, 23702848), (91, 21879552), (93, 21409024), (96, 20739992), (104, 19144608), (112, 17777136), (124, 16056768), (128, 15554994), (156, 12763072), (168, 11851424), (182, 10939776), (186, 10704512), (192, 10369996), (208, 9572304), (217, 9175296), (224, 8888568), (248, 8028384), (256, 7777497), (273, 7293184), (312, 6381536), (336, 5925712), (364, 5469888), (372, 5352256), (384, 5184998), (403, 4940544), (416, 4786152), (434, 4587648), (448, 4444284), (496, 4014192), (546, 3646592), (624, 3190768), (651, 3058432), (672, 2962856), (728, 2734944), (744, 2676128), (768, 2592499), (806, 2470272), (832, 2393076), (868, 2293824), (896, 2222142), (919, 2166528), (992, 2007096), (1092, 1823296), (1209, 1646848), (1248, 1595384), (1302, 1529216), (1344, 1481428), (1456, 1367472), (1488, 1338064), (1612, 1235136), (1664, 1196538), (1736, 1146912), (1792, 1111071), (1838, 1083264), (1984, 1003548), (2184, 911648), (2418, 823424), (2496, 797692), (2604, 764608), (2688, 740714), (2757, 722176), (2821, 705792), (2912, 683736), (2976, 669032), (3224, 617568), (3328, 598269), (3472, 573456), (3676, 541632), (3968, 501774), (4368, 455824), (4836, 411712), (4992, 398846), (5208, 382304), (5376, 370357), (5514, 361088), (5642, 352896), (5824, 341868), (5952, 334516), (6433, 309504), (6448, 308784), (6944, 286728), (7352, 270816), (7936, 250887), (8463, 235264), (8736, 227912), (9672, 205856), (9984, 199423), (10416, 191152), (11028, 180544), (11284, 176448), (11648, 170934), (11904, 167258), (11947, 166656), (12866, 154752), (12896, 154392), (13888, 143364), (14704, 135408), (16926, 117632), (17472, 113956), (19299, 103168), (19344, 102928), (20832, 95576), (22056, 90272), (22568, 88224), (23296, 85467), (23808, 83629), (23894, 83328), (25732, 77376), (25792, 77196), (27776, 71682), (28489, 69888), (29408, 67704), (33852, 58816), (34944, 56978), (35841, 55552), (38598, 51584), (38688, 51464), (41664, 47788), (44112, 45136)]