218656256

素因数分解:

$2^9\times 7^1\times {\mathrm{13}}^2\times {\mathrm{19}}^2$

素因数の和:89

約数の個数: 180

約数和(自身を含む): 570613032

約数和(自身を除く): 351956776

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 19, 26, 28, 32, 38, 52, 56, 64, 76, 91, 104, 112, 128, 133, 152, 169, 182, 208, 224, 247, 256, 266, 304, 338, 361, 364, 416, 448, 494, 512, 532, 608, 676, 722, 728, 832, 896, 988, 1064, 1183, 1216, 1352, 1444, 1456, 1664, 1729, 1792, 1976, 2128, 2366, 2432, 2527, 2704, 2888, 2912, 3211, 3328, 3458, 3584, 3952, 4256, 4693, 4732, 4864, 5054, 5408, 5776, 5824, 6422, 6656, 6916, 7904, 8512, 9386, 9464, 9728, 10108, 10816, 11552, 11648, 12844, 13832, 15808, 17024, 18772, 18928, 20216, 21632, 22477, 23104, 23296, 25688, 27664, 31616, 32851, 34048, 37544, 37856, 40432, 43264, 44954, 46208, 46592, 51376, 55328, 61009, 63232, 65702, 68096, 75088, 75712, 80864, 86528, 89908, 92416, 102752, 110656, 122018, 126464, 131404, 150176, 151424, 161728, 179816, 184832, 205504, 221312, 244036, 262808, 300352, 302848, 323456, 359632, 411008, 427063, 442624, 488072, 525616, 600704, 605696, 646912, 719264, 822016, 854126, 885248, 976144, 1051232, 1201408, 1293824, 1438528, 1644032, 1708252, 1952288, 2102464, 2402816, 2877056, 3416504, 3904576, 4204928, 5754112, 6833008, 7809152, 8409856, 11508224, 13666016, 15618304, 16819712, 27332032, 31236608, 54664064, 109328128, 218656256]

約数ペア:

[(1, 218656256), (2, 109328128), (4, 54664064), (7, 31236608), (8, 27332032), (13, 16819712), (14, 15618304), (16, 13666016), (19, 11508224), (26, 8409856), (28, 7809152), (32, 6833008), (38, 5754112), (52, 4204928), (56, 3904576), (64, 3416504), (76, 2877056), (91, 2402816), (104, 2102464), (112, 1952288), (128, 1708252), (133, 1644032), (152, 1438528), (169, 1293824), (182, 1201408), (208, 1051232), (224, 976144), (247, 885248), (256, 854126), (266, 822016), (304, 719264), (338, 646912), (361, 605696), (364, 600704), (416, 525616), (448, 488072), (494, 442624), (512, 427063), (532, 411008), (608, 359632), (676, 323456), (722, 302848), (728, 300352), (832, 262808), (896, 244036), (988, 221312), (1064, 205504), (1183, 184832), (1216, 179816), (1352, 161728), (1444, 151424), (1456, 150176), (1664, 131404), (1729, 126464), (1792, 122018), (1976, 110656), (2128, 102752), (2366, 92416), (2432, 89908), (2527, 86528), (2704, 80864), (2888, 75712), (2912, 75088), (3211, 68096), (3328, 65702), (3458, 63232), (3584, 61009), (3952, 55328), (4256, 51376), (4693, 46592), (4732, 46208), (4864, 44954), (5054, 43264), (5408, 40432), (5776, 37856), (5824, 37544), (6422, 34048), (6656, 32851), (6916, 31616), (7904, 27664), (8512, 25688), (9386, 23296), (9464, 23104), (9728, 22477), (10108, 21632), (10816, 20216), (11552, 18928), (11648, 18772), (12844, 17024), (13832, 15808)]