1991246208

素因数分解:

$2^7\times 3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{127}}^1\times {\mathrm{307}}^1$

素因数の和:477

約数の個数: 256

約数和(自身を含む): 6433996800

約数和(自身を除く): 4442750592

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 19, 21, 24, 28, 32, 38, 42, 48, 56, 57, 64, 76, 84, 96, 112, 114, 127, 128, 133, 152, 168, 192, 224, 228, 254, 266, 304, 307, 336, 381, 384, 399, 448, 456, 508, 532, 608, 614, 672, 762, 798, 889, 896, 912, 921, 1016, 1064, 1216, 1228, 1344, 1524, 1596, 1778, 1824, 1842, 2032, 2128, 2149, 2413, 2432, 2456, 2667, 2688, 3048, 3192, 3556, 3648, 3684, 4064, 4256, 4298, 4826, 4912, 5334, 5833, 6096, 6384, 6447, 7112, 7239, 7296, 7368, 8128, 8512, 8596, 9652, 9824, 10668, 11666, 12192, 12768, 12894, 14224, 14478, 14736, 16256, 16891, 17024, 17192, 17499, 19304, 19648, 21336, 23332, 24384, 25536, 25788, 28448, 28956, 29472, 33782, 34384, 34998, 38608, 38989, 39296, 40831, 42672, 46664, 48768, 50673, 51072, 51576, 56896, 57912, 58944, 67564, 68768, 69996, 77216, 77978, 81662, 85344, 93328, 101346, 103152, 113792, 115824, 116967, 117888, 122493, 135128, 137536, 139992, 154432, 155956, 163324, 170688, 186656, 202692, 206304, 231648, 233934, 244986, 270256, 272923, 275072, 279984, 308864, 311912, 326648, 341376, 373312, 405384, 412608, 463296, 467868, 489972, 540512, 545846, 559968, 623824, 653296, 740791, 746624, 810768, 818769, 825216, 926592, 935736, 979944, 1081024, 1091692, 1119936, 1247648, 1306592, 1481582, 1621536, 1637538, 1871472, 1959888, 2162048, 2183384, 2222373, 2239872, 2495296, 2613184, 2963164, 3243072, 3275076, 3742944, 3919776, 4366768, 4444746, 4990592, 5185537, 5226368, 5926328, 6486144, 6550152, 7485888, 7839552, 8733536, 8889492, 10371074, 11852656, 13100304, 14971776, 15556611, 15679104, 17467072, 17778984, 20742148, 23705312, 26200608, 31113222, 34934144, 35557968, 41484296, 47410624, 52401216, 62226444, 71115936, 82968592, 94821248, 104802432, 124452888, 142231872, 165937184, 248905776, 284463744, 331874368, 497811552, 663748736, 995623104, 1991246208]

約数ペア:

[(1, 1991246208), (2, 995623104), (3, 663748736), (4, 497811552), (6, 331874368), (7, 284463744), (8, 248905776), (12, 165937184), (14, 142231872), (16, 124452888), (19, 104802432), (21, 94821248), (24, 82968592), (28, 71115936), (32, 62226444), (38, 52401216), (42, 47410624), (48, 41484296), (56, 35557968), (57, 34934144), (64, 31113222), (76, 26200608), (84, 23705312), (96, 20742148), (112, 17778984), (114, 17467072), (127, 15679104), (128, 15556611), (133, 14971776), (152, 13100304), (168, 11852656), (192, 10371074), (224, 8889492), (228, 8733536), (254, 7839552), (266, 7485888), (304, 6550152), (307, 6486144), (336, 5926328), (381, 5226368), (384, 5185537), (399, 4990592), (448, 4444746), (456, 4366768), (508, 3919776), (532, 3742944), (608, 3275076), (614, 3243072), (672, 2963164), (762, 2613184), (798, 2495296), (889, 2239872), (896, 2222373), (912, 2183384), (921, 2162048), (1016, 1959888), (1064, 1871472), (1216, 1637538), (1228, 1621536), (1344, 1481582), (1524, 1306592), (1596, 1247648), (1778, 1119936), (1824, 1091692), (1842, 1081024), (2032, 979944), (2128, 935736), (2149, 926592), (2413, 825216), (2432, 818769), (2456, 810768), (2667, 746624), (2688, 740791), (3048, 653296), (3192, 623824), (3556, 559968), (3648, 545846), (3684, 540512), (4064, 489972), (4256, 467868), (4298, 463296), (4826, 412608), (4912, 405384), (5334, 373312), (5833, 341376), (6096, 326648), (6384, 311912), (6447, 308864), (7112, 279984), (7239, 275072), (7296, 272923), (7368, 270256), (8128, 244986), (8512, 233934), (8596, 231648), (9652, 206304), (9824, 202692), (10668, 186656), (11666, 170688), (12192, 163324), (12768, 155956), (12894, 154432), (14224, 139992), (14478, 137536), (14736, 135128), (16256, 122493), (16891, 117888), (17024, 116967), (17192, 115824), (17499, 113792), (19304, 103152), (19648, 101346), (21336, 93328), (23332, 85344), (24384, 81662), (25536, 77978), (25788, 77216), (28448, 69996), (28956, 68768), (29472, 67564), (33782, 58944), (34384, 57912), (34998, 56896), (38608, 51576), (38989, 51072), (39296, 50673), (40831, 48768), (42672, 46664)]