1991086848

素因数分解:

$2^8\times 3^2\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{457}}^1$

素因数の和:571

約数の個数: 216

約数和(自身を含む): 6036308096

約数和(自身を除く): 4045221248

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 31, 32, 36, 48, 61, 62, 64, 72, 93, 96, 122, 124, 128, 144, 183, 186, 192, 244, 248, 256, 279, 288, 366, 372, 384, 457, 488, 496, 549, 558, 576, 732, 744, 768, 914, 976, 992, 1098, 1116, 1152, 1371, 1464, 1488, 1828, 1891, 1952, 1984, 2196, 2232, 2304, 2742, 2928, 2976, 3656, 3782, 3904, 3968, 4113, 4392, 4464, 5484, 5673, 5856, 5952, 7312, 7564, 7808, 7936, 8226, 8784, 8928, 10968, 11346, 11712, 11904, 14167, 14624, 15128, 15616, 16452, 17019, 17568, 17856, 21936, 22692, 23424, 23808, 27877, 28334, 29248, 30256, 32904, 34038, 35136, 35712, 42501, 43872, 45384, 46848, 55754, 56668, 58496, 60512, 65808, 68076, 70272, 71424, 83631, 85002, 87744, 90768, 111508, 113336, 116992, 121024, 127503, 131616, 136152, 140544, 167262, 170004, 175488, 181536, 223016, 226672, 242048, 250893, 255006, 263232, 272304, 334524, 340008, 350976, 363072, 446032, 453344, 484096, 501786, 510012, 526464, 544608, 669048, 680016, 726144, 864187, 892064, 906688, 1003572, 1020024, 1052928, 1089216, 1338096, 1360032, 1452288, 1728374, 1784128, 1813376, 2007144, 2040048, 2178432, 2592561, 2676192, 2720064, 3456748, 3568256, 3626752, 4014288, 4080096, 4356864, 5185122, 5352384, 5440128, 6913496, 7136512, 7777683, 8028576, 8160192, 10370244, 10704768, 10880256, 13826992, 15555366, 16057152, 16320384, 20740488, 21409536, 27653984, 31110732, 32114304, 32640768, 41480976, 55307968, 62221464, 64228608, 82961952, 110615936, 124442928, 165923904, 221231872, 248885856, 331847808, 497771712, 663695616, 995543424, 1991086848]

約数ペア:

[(1, 1991086848), (2, 995543424), (3, 663695616), (4, 497771712), (6, 331847808), (8, 248885856), (9, 221231872), (12, 165923904), (16, 124442928), (18, 110615936), (24, 82961952), (31, 64228608), (32, 62221464), (36, 55307968), (48, 41480976), (61, 32640768), (62, 32114304), (64, 31110732), (72, 27653984), (93, 21409536), (96, 20740488), (122, 16320384), (124, 16057152), (128, 15555366), (144, 13826992), (183, 10880256), (186, 10704768), (192, 10370244), (244, 8160192), (248, 8028576), (256, 7777683), (279, 7136512), (288, 6913496), (366, 5440128), (372, 5352384), (384, 5185122), (457, 4356864), (488, 4080096), (496, 4014288), (549, 3626752), (558, 3568256), (576, 3456748), (732, 2720064), (744, 2676192), (768, 2592561), (914, 2178432), (976, 2040048), (992, 2007144), (1098, 1813376), (1116, 1784128), (1152, 1728374), (1371, 1452288), (1464, 1360032), (1488, 1338096), (1828, 1089216), (1891, 1052928), (1952, 1020024), (1984, 1003572), (2196, 906688), (2232, 892064), (2304, 864187), (2742, 726144), (2928, 680016), (2976, 669048), (3656, 544608), (3782, 526464), (3904, 510012), (3968, 501786), (4113, 484096), (4392, 453344), (4464, 446032), (5484, 363072), (5673, 350976), (5856, 340008), (5952, 334524), (7312, 272304), (7564, 263232), (7808, 255006), (7936, 250893), (8226, 242048), (8784, 226672), (8928, 223016), (10968, 181536), (11346, 175488), (11712, 170004), (11904, 167262), (14167, 140544), (14624, 136152), (15128, 131616), (15616, 127503), (16452, 121024), (17019, 116992), (17568, 113336), (17856, 111508), (21936, 90768), (22692, 87744), (23424, 85002), (23808, 83631), (27877, 71424), (28334, 70272), (29248, 68076), (30256, 65808), (32904, 60512), (34038, 58496), (35136, 56668), (35712, 55754), (42501, 46848), (43872, 45384)]