397427688

素因数分解:

$2^3\times 3^3\times 7^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{139}}^1$

素因数の和:253

約数の個数: 256

約数和(自身を含む): 1333248000

約数和(自身を除く): 935820312

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 27, 28, 31, 36, 42, 54, 56, 61, 62, 63, 72, 84, 93, 108, 122, 124, 126, 139, 168, 183, 186, 189, 216, 217, 244, 248, 252, 278, 279, 366, 372, 378, 417, 427, 434, 488, 504, 549, 556, 558, 651, 732, 744, 756, 834, 837, 854, 868, 973, 1098, 1112, 1116, 1251, 1281, 1302, 1464, 1512, 1647, 1668, 1674, 1708, 1736, 1891, 1946, 1953, 2196, 2232, 2502, 2562, 2604, 2919, 3294, 3336, 3348, 3416, 3753, 3782, 3843, 3892, 3906, 4309, 4392, 5004, 5124, 5208, 5673, 5838, 5859, 6588, 6696, 7506, 7564, 7686, 7784, 7812, 8479, 8618, 8757, 10008, 10248, 11346, 11529, 11676, 11718, 12927, 13176, 13237, 15012, 15128, 15372, 15624, 16958, 17019, 17236, 17514, 22692, 23058, 23352, 23436, 25437, 25854, 26271, 26474, 30024, 30163, 30744, 33916, 34038, 34472, 35028, 38781, 39711, 45384, 46116, 46872, 50874, 51057, 51708, 52542, 52948, 59353, 60326, 67832, 68076, 70056, 76311, 77562, 79422, 90489, 92232, 101748, 102114, 103416, 105084, 105896, 116343, 118706, 119133, 120652, 136152, 152622, 155124, 158844, 178059, 180978, 203496, 204228, 210168, 228933, 232686, 237412, 238266, 241304, 262849, 271467, 305244, 310248, 317688, 356118, 357399, 361956, 408456, 457866, 465372, 474824, 476532, 525698, 534177, 542934, 610488, 712236, 714798, 723912, 788547, 814401, 915732, 930744, 953064, 1051396, 1068354, 1085868, 1424472, 1429596, 1577094, 1602531, 1628802, 1831464, 1839943, 2102792, 2136708, 2171736, 2365641, 2859192, 3154188, 3205062, 3257604, 3679886, 4273416, 4731282, 5519829, 6308376, 6410124, 6515208, 7096923, 7359772, 9462564, 11039658, 12820248, 14193846, 14719544, 16559487, 18925128, 22079316, 28387692, 33118974, 44158632, 49678461, 56775384, 66237948, 99356922, 132475896, 198713844, 397427688]

約数ペア:

[(1, 397427688), (2, 198713844), (3, 132475896), (4, 99356922), (6, 66237948), (7, 56775384), (8, 49678461), (9, 44158632), (12, 33118974), (14, 28387692), (18, 22079316), (21, 18925128), (24, 16559487), (27, 14719544), (28, 14193846), (31, 12820248), (36, 11039658), (42, 9462564), (54, 7359772), (56, 7096923), (61, 6515208), (62, 6410124), (63, 6308376), (72, 5519829), (84, 4731282), (93, 4273416), (108, 3679886), (122, 3257604), (124, 3205062), (126, 3154188), (139, 2859192), (168, 2365641), (183, 2171736), (186, 2136708), (189, 2102792), (216, 1839943), (217, 1831464), (244, 1628802), (248, 1602531), (252, 1577094), (278, 1429596), (279, 1424472), (366, 1085868), (372, 1068354), (378, 1051396), (417, 953064), (427, 930744), (434, 915732), (488, 814401), (504, 788547), (549, 723912), (556, 714798), (558, 712236), (651, 610488), (732, 542934), (744, 534177), (756, 525698), (834, 476532), (837, 474824), (854, 465372), (868, 457866), (973, 408456), (1098, 361956), (1112, 357399), (1116, 356118), (1251, 317688), (1281, 310248), (1302, 305244), (1464, 271467), (1512, 262849), (1647, 241304), (1668, 238266), (1674, 237412), (1708, 232686), (1736, 228933), (1891, 210168), (1946, 204228), (1953, 203496), (2196, 180978), (2232, 178059), (2502, 158844), (2562, 155124), (2604, 152622), (2919, 136152), (3294, 120652), (3336, 119133), (3348, 118706), (3416, 116343), (3753, 105896), (3782, 105084), (3843, 103416), (3892, 102114), (3906, 101748), (4309, 92232), (4392, 90489), (5004, 79422), (5124, 77562), (5208, 76311), (5673, 70056), (5838, 68076), (5859, 67832), (6588, 60326), (6696, 59353), (7506, 52948), (7564, 52542), (7686, 51708), (7784, 51057), (7812, 50874), (8479, 46872), (8618, 46116), (8757, 45384), (10008, 39711), (10248, 38781), (11346, 35028), (11529, 34472), (11676, 34038), (11718, 33916), (12927, 30744), (13176, 30163), (13237, 30024), (15012, 26474), (15128, 26271), (15372, 25854), (15624, 25437), (16958, 23436), (17019, 23352), (17236, 23058), (17514, 22692)]