266663488

素因数分解:

$2^6\times 7^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{211}}^1$

素因数の和:281

約数の個数: 168

約数和(自身を含む): 687531264

約数和(自身を除く): 420867776

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 31, 32, 49, 52, 56, 62, 64, 91, 98, 104, 112, 124, 182, 196, 208, 211, 217, 224, 248, 364, 392, 403, 416, 422, 434, 448, 496, 637, 728, 784, 806, 832, 844, 868, 992, 1274, 1456, 1477, 1519, 1568, 1612, 1688, 1736, 1984, 2548, 2743, 2821, 2912, 2954, 3038, 3136, 3224, 3376, 3472, 5096, 5486, 5642, 5824, 5908, 6076, 6448, 6541, 6752, 6944, 10192, 10339, 10972, 11284, 11816, 12152, 12896, 13082, 13504, 13888, 19201, 19747, 20384, 20678, 21944, 22568, 23632, 24304, 25792, 26164, 38402, 39494, 40768, 41356, 43888, 45136, 45787, 47264, 48608, 52328, 76804, 78988, 82712, 85033, 87776, 90272, 91574, 94528, 97216, 104656, 134407, 153608, 157976, 165424, 170066, 175552, 180544, 183148, 209312, 268814, 307216, 315952, 320509, 330848, 340132, 366296, 418624, 537628, 595231, 614432, 631904, 641018, 661696, 680264, 732592, 1075256, 1190462, 1228864, 1263808, 1282036, 1360528, 1465184, 2150512, 2380924, 2564072, 2721056, 2930368, 4166617, 4301024, 4761848, 5128144, 5442112, 8333234, 8602048, 9523696, 10256288, 16666468, 19047392, 20512576, 33332936, 38094784, 66665872, 133331744, 266663488]

約数ペア:

[(1, 266663488), (2, 133331744), (4, 66665872), (7, 38094784), (8, 33332936), (13, 20512576), (14, 19047392), (16, 16666468), (26, 10256288), (28, 9523696), (31, 8602048), (32, 8333234), (49, 5442112), (52, 5128144), (56, 4761848), (62, 4301024), (64, 4166617), (91, 2930368), (98, 2721056), (104, 2564072), (112, 2380924), (124, 2150512), (182, 1465184), (196, 1360528), (208, 1282036), (211, 1263808), (217, 1228864), (224, 1190462), (248, 1075256), (364, 732592), (392, 680264), (403, 661696), (416, 641018), (422, 631904), (434, 614432), (448, 595231), (496, 537628), (637, 418624), (728, 366296), (784, 340132), (806, 330848), (832, 320509), (844, 315952), (868, 307216), (992, 268814), (1274, 209312), (1456, 183148), (1477, 180544), (1519, 175552), (1568, 170066), (1612, 165424), (1688, 157976), (1736, 153608), (1984, 134407), (2548, 104656), (2743, 97216), (2821, 94528), (2912, 91574), (2954, 90272), (3038, 87776), (3136, 85033), (3224, 82712), (3376, 78988), (3472, 76804), (5096, 52328), (5486, 48608), (5642, 47264), (5824, 45787), (5908, 45136), (6076, 43888), (6448, 41356), (6541, 40768), (6752, 39494), (6944, 38402), (10192, 26164), (10339, 25792), (10972, 24304), (11284, 23632), (11816, 22568), (12152, 21944), (12896, 20678), (13082, 20384), (13504, 19747), (13888, 19201)]