251783168

素因数分解:

$2^{11}\times 7^2\times {\mathrm{13}}^1\times {\mathrm{193}}^1$

素因数の和:242

約数の個数: 144

約数和(自身を含む): 633955140

約数和(自身を除く): 382171972

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 32, 49, 52, 56, 64, 91, 98, 104, 112, 128, 182, 193, 196, 208, 224, 256, 364, 386, 392, 416, 448, 512, 637, 728, 772, 784, 832, 896, 1024, 1274, 1351, 1456, 1544, 1568, 1664, 1792, 2048, 2509, 2548, 2702, 2912, 3088, 3136, 3328, 3584, 5018, 5096, 5404, 5824, 6176, 6272, 6656, 7168, 9457, 10036, 10192, 10808, 11648, 12352, 12544, 13312, 14336, 17563, 18914, 20072, 20384, 21616, 23296, 24704, 25088, 26624, 35126, 37828, 40144, 40768, 43232, 46592, 49408, 50176, 70252, 75656, 80288, 81536, 86464, 93184, 98816, 100352, 122941, 140504, 151312, 160576, 163072, 172928, 186368, 197632, 245882, 281008, 302624, 321152, 326144, 345856, 395264, 491764, 562016, 605248, 642304, 652288, 691712, 983528, 1124032, 1210496, 1284608, 1304576, 1383424, 1967056, 2248064, 2420992, 2569216, 2766848, 3934112, 4496128, 4841984, 5138432, 7868224, 8992256, 9683968, 15736448, 17984512, 19367936, 31472896, 35969024, 62945792, 125891584, 251783168]

約数ペア:

[(1, 251783168), (2, 125891584), (4, 62945792), (7, 35969024), (8, 31472896), (13, 19367936), (14, 17984512), (16, 15736448), (26, 9683968), (28, 8992256), (32, 7868224), (49, 5138432), (52, 4841984), (56, 4496128), (64, 3934112), (91, 2766848), (98, 2569216), (104, 2420992), (112, 2248064), (128, 1967056), (182, 1383424), (193, 1304576), (196, 1284608), (208, 1210496), (224, 1124032), (256, 983528), (364, 691712), (386, 652288), (392, 642304), (416, 605248), (448, 562016), (512, 491764), (637, 395264), (728, 345856), (772, 326144), (784, 321152), (832, 302624), (896, 281008), (1024, 245882), (1274, 197632), (1351, 186368), (1456, 172928), (1544, 163072), (1568, 160576), (1664, 151312), (1792, 140504), (2048, 122941), (2509, 100352), (2548, 98816), (2702, 93184), (2912, 86464), (3088, 81536), (3136, 80288), (3328, 75656), (3584, 70252), (5018, 50176), (5096, 49408), (5404, 46592), (5824, 43232), (6176, 40768), (6272, 40144), (6656, 37828), (7168, 35126), (9457, 26624), (10036, 25088), (10192, 24704), (10808, 23296), (11648, 21616), (12352, 20384), (12544, 20072), (13312, 18914), (14336, 17563)]