217423584

素因数分解:

$2^5\times 3^2\times 7^3\times {\mathrm{31}}^1\times {\mathrm{71}}^1$

素因数の和:139

約数の個数: 288

約数和(自身を含む): 754790400

約数和(自身を除く): 537366816

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 31, 32, 36, 42, 48, 49, 56, 62, 63, 71, 72, 84, 93, 96, 98, 112, 124, 126, 142, 144, 147, 168, 186, 196, 213, 217, 224, 248, 252, 279, 284, 288, 294, 336, 343, 372, 392, 426, 434, 441, 496, 497, 504, 558, 568, 588, 639, 651, 672, 686, 744, 784, 852, 868, 882, 992, 994, 1008, 1029, 1116, 1136, 1176, 1278, 1302, 1372, 1488, 1491, 1519, 1568, 1704, 1736, 1764, 1953, 1988, 2016, 2058, 2201, 2232, 2272, 2352, 2556, 2604, 2744, 2976, 2982, 3038, 3087, 3408, 3472, 3479, 3528, 3906, 3976, 4116, 4402, 4464, 4473, 4557, 4704, 5112, 5208, 5488, 5964, 6076, 6174, 6603, 6816, 6944, 6958, 7056, 7812, 7952, 8232, 8804, 8928, 8946, 9114, 10224, 10416, 10437, 10633, 10976, 11928, 12152, 12348, 13206, 13671, 13916, 14112, 15407, 15624, 15904, 16464, 17608, 17892, 18228, 19809, 20448, 20832, 20874, 21266, 23856, 24304, 24353, 24696, 26412, 27342, 27832, 30814, 31248, 31311, 31899, 32928, 35216, 35784, 36456, 39618, 41748, 42532, 46221, 47712, 48608, 48706, 49392, 52824, 54684, 55664, 61628, 62496, 62622, 63798, 70432, 71568, 72912, 73059, 79236, 83496, 85064, 92442, 95697, 97412, 98784, 105648, 107849, 109368, 111328, 123256, 125244, 127596, 138663, 143136, 145824, 146118, 158472, 166992, 170128, 184884, 191394, 194824, 211296, 215698, 218736, 219177, 246512, 250488, 255192, 277326, 292236, 316944, 323547, 333984, 340256, 369768, 382788, 389648, 431396, 437472, 438354, 493024, 500976, 510384, 554652, 584472, 633888, 647094, 739536, 754943, 765576, 779296, 862792, 876708, 970641, 1001952, 1020768, 1109304, 1168944, 1294188, 1479072, 1509886, 1531152, 1725584, 1753416, 1941282, 2218608, 2264829, 2337888, 2588376, 3019772, 3062304, 3451168, 3506832, 3882564, 4437216, 4529658, 5176752, 6039544, 6794487, 7013664, 7765128, 9059316, 10353504, 12079088, 13588974, 15530256, 18118632, 24158176, 27177948, 31060512, 36237264, 54355896, 72474528, 108711792, 217423584]

約数ペア:

[(1, 217423584), (2, 108711792), (3, 72474528), (4, 54355896), (6, 36237264), (7, 31060512), (8, 27177948), (9, 24158176), (12, 18118632), (14, 15530256), (16, 13588974), (18, 12079088), (21, 10353504), (24, 9059316), (28, 7765128), (31, 7013664), (32, 6794487), (36, 6039544), (42, 5176752), (48, 4529658), (49, 4437216), (56, 3882564), (62, 3506832), (63, 3451168), (71, 3062304), (72, 3019772), (84, 2588376), (93, 2337888), (96, 2264829), (98, 2218608), (112, 1941282), (124, 1753416), (126, 1725584), (142, 1531152), (144, 1509886), (147, 1479072), (168, 1294188), (186, 1168944), (196, 1109304), (213, 1020768), (217, 1001952), (224, 970641), (248, 876708), (252, 862792), (279, 779296), (284, 765576), (288, 754943), (294, 739536), (336, 647094), (343, 633888), (372, 584472), (392, 554652), (426, 510384), (434, 500976), (441, 493024), (496, 438354), (497, 437472), (504, 431396), (558, 389648), (568, 382788), (588, 369768), (639, 340256), (651, 333984), (672, 323547), (686, 316944), (744, 292236), (784, 277326), (852, 255192), (868, 250488), (882, 246512), (992, 219177), (994, 218736), (1008, 215698), (1029, 211296), (1116, 194824), (1136, 191394), (1176, 184884), (1278, 170128), (1302, 166992), (1372, 158472), (1488, 146118), (1491, 145824), (1519, 143136), (1568, 138663), (1704, 127596), (1736, 125244), (1764, 123256), (1953, 111328), (1988, 109368), (2016, 107849), (2058, 105648), (2201, 98784), (2232, 97412), (2272, 95697), (2352, 92442), (2556, 85064), (2604, 83496), (2744, 79236), (2976, 73059), (2982, 72912), (3038, 71568), (3087, 70432), (3408, 63798), (3472, 62622), (3479, 62496), (3528, 61628), (3906, 55664), (3976, 54684), (4116, 52824), (4402, 49392), (4464, 48706), (4473, 48608), (4557, 47712), (4704, 46221), (5112, 42532), (5208, 41748), (5488, 39618), (5964, 36456), (6076, 35784), (6174, 35216), (6603, 32928), (6816, 31899), (6944, 31311), (6958, 31248), (7056, 30814), (7812, 27832), (7952, 27342), (8232, 26412), (8804, 24696), (8928, 24353), (8946, 24304), (9114, 23856), (10224, 21266), (10416, 20874), (10437, 20832), (10633, 20448), (10976, 19809), (11928, 18228), (12152, 17892), (12348, 17608), (13206, 16464), (13671, 15904), (13916, 15624), (14112, 15407)]