998777472

素因数分解:

$2^7\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{1987}}^1$

素因数の和:2039

約数の個数: 256

約数和(自身を含む): 3503969280

約数和(自身を除く): 2505191808

約数列:

[1, 2, 3, 4, 6, 7, 8, 11, 12, 14, 16, 17, 21, 22, 24, 28, 32, 33, 34, 42, 44, 48, 51, 56, 64, 66, 68, 77, 84, 88, 96, 102, 112, 119, 128, 132, 136, 154, 168, 176, 187, 192, 204, 224, 231, 238, 264, 272, 308, 336, 352, 357, 374, 384, 408, 448, 462, 476, 528, 544, 561, 616, 672, 704, 714, 748, 816, 896, 924, 952, 1056, 1088, 1122, 1232, 1309, 1344, 1408, 1428, 1496, 1632, 1848, 1904, 1987, 2112, 2176, 2244, 2464, 2618, 2688, 2856, 2992, 3264, 3696, 3808, 3927, 3974, 4224, 4488, 4928, 5236, 5712, 5961, 5984, 6528, 7392, 7616, 7854, 7948, 8976, 9856, 10472, 11424, 11922, 11968, 13909, 14784, 15232, 15708, 15896, 17952, 20944, 21857, 22848, 23844, 23936, 27818, 29568, 31416, 31792, 33779, 35904, 41727, 41888, 43714, 45696, 47688, 55636, 62832, 63584, 65571, 67558, 71808, 83454, 83776, 87428, 95376, 101337, 111272, 125664, 127168, 131142, 135116, 152999, 166908, 167552, 174856, 190752, 202674, 222544, 236453, 251328, 254336, 262284, 270232, 305998, 333816, 349712, 371569, 381504, 405348, 445088, 458997, 472906, 502656, 524568, 540464, 611996, 667632, 699424, 709359, 743138, 763008, 810696, 890176, 917994, 945812, 1049136, 1080928, 1114707, 1223992, 1335264, 1398848, 1418718, 1486276, 1621392, 1780352, 1835988, 1891624, 2098272, 2161856, 2229414, 2447984, 2600983, 2670528, 2797696, 2837436, 2972552, 3242784, 3671976, 3783248, 4196544, 4323712, 4458828, 4895968, 5201966, 5341056, 5674872, 5945104, 6485568, 7343952, 7566496, 7802949, 8393088, 8917656, 9791936, 10403932, 11349744, 11890208, 12971136, 14687904, 15132992, 15605898, 17835312, 19583872, 20807864, 22699488, 23780416, 29375808, 30265984, 31211796, 35670624, 41615728, 45398976, 47560832, 58751616, 62423592, 71341248, 83231456, 90797952, 124847184, 142682496, 166462912, 249694368, 332925824, 499388736, 998777472]

約数ペア:

[(1, 998777472), (2, 499388736), (3, 332925824), (4, 249694368), (6, 166462912), (7, 142682496), (8, 124847184), (11, 90797952), (12, 83231456), (14, 71341248), (16, 62423592), (17, 58751616), (21, 47560832), (22, 45398976), (24, 41615728), (28, 35670624), (32, 31211796), (33, 30265984), (34, 29375808), (42, 23780416), (44, 22699488), (48, 20807864), (51, 19583872), (56, 17835312), (64, 15605898), (66, 15132992), (68, 14687904), (77, 12971136), (84, 11890208), (88, 11349744), (96, 10403932), (102, 9791936), (112, 8917656), (119, 8393088), (128, 7802949), (132, 7566496), (136, 7343952), (154, 6485568), (168, 5945104), (176, 5674872), (187, 5341056), (192, 5201966), (204, 4895968), (224, 4458828), (231, 4323712), (238, 4196544), (264, 3783248), (272, 3671976), (308, 3242784), (336, 2972552), (352, 2837436), (357, 2797696), (374, 2670528), (384, 2600983), (408, 2447984), (448, 2229414), (462, 2161856), (476, 2098272), (528, 1891624), (544, 1835988), (561, 1780352), (616, 1621392), (672, 1486276), (704, 1418718), (714, 1398848), (748, 1335264), (816, 1223992), (896, 1114707), (924, 1080928), (952, 1049136), (1056, 945812), (1088, 917994), (1122, 890176), (1232, 810696), (1309, 763008), (1344, 743138), (1408, 709359), (1428, 699424), (1496, 667632), (1632, 611996), (1848, 540464), (1904, 524568), (1987, 502656), (2112, 472906), (2176, 458997), (2244, 445088), (2464, 405348), (2618, 381504), (2688, 371569), (2856, 349712), (2992, 333816), (3264, 305998), (3696, 270232), (3808, 262284), (3927, 254336), (3974, 251328), (4224, 236453), (4488, 222544), (4928, 202674), (5236, 190752), (5712, 174856), (5961, 167552), (5984, 166908), (6528, 152999), (7392, 135116), (7616, 131142), (7854, 127168), (7948, 125664), (8976, 111272), (9856, 101337), (10472, 95376), (11424, 87428), (11922, 83776), (11968, 83454), (13909, 71808), (14784, 67558), (15232, 65571), (15708, 63584), (15896, 62832), (17952, 55636), (20944, 47688), (21857, 45696), (22848, 43714), (23844, 41888), (23936, 41727), (27818, 35904), (29568, 33779), (31416, 31792)]