278313728

素因数分解:

$2^8\times 7^2\times {\mathrm{11}}^1\times {\mathrm{2017}}^1$

素因数の和:2058

約数の個数: 108

約数和(自身を含む): 705339432

約数和(自身を除く): 427025704

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 32, 44, 49, 56, 64, 77, 88, 98, 112, 128, 154, 176, 196, 224, 256, 308, 352, 392, 448, 539, 616, 704, 784, 896, 1078, 1232, 1408, 1568, 1792, 2017, 2156, 2464, 2816, 3136, 4034, 4312, 4928, 6272, 8068, 8624, 9856, 12544, 14119, 16136, 17248, 19712, 22187, 28238, 32272, 34496, 44374, 56476, 64544, 68992, 88748, 98833, 112952, 129088, 137984, 155309, 177496, 197666, 225904, 258176, 310618, 354992, 395332, 451808, 516352, 621236, 709984, 790664, 903616, 1087163, 1242472, 1419968, 1581328, 1807232, 2174326, 2484944, 2839936, 3162656, 3614464, 4348652, 4969888, 5679872, 6325312, 8697304, 9939776, 12650624, 17394608, 19879552, 25301248, 34789216, 39759104, 69578432, 139156864, 278313728]

約数ペア:

[(1, 278313728), (2, 139156864), (4, 69578432), (7, 39759104), (8, 34789216), (11, 25301248), (14, 19879552), (16, 17394608), (22, 12650624), (28, 9939776), (32, 8697304), (44, 6325312), (49, 5679872), (56, 4969888), (64, 4348652), (77, 3614464), (88, 3162656), (98, 2839936), (112, 2484944), (128, 2174326), (154, 1807232), (176, 1581328), (196, 1419968), (224, 1242472), (256, 1087163), (308, 903616), (352, 790664), (392, 709984), (448, 621236), (539, 516352), (616, 451808), (704, 395332), (784, 354992), (896, 310618), (1078, 258176), (1232, 225904), (1408, 197666), (1568, 177496), (1792, 155309), (2017, 137984), (2156, 129088), (2464, 112952), (2816, 98833), (3136, 88748), (4034, 68992), (4312, 64544), (4928, 56476), (6272, 44374), (8068, 34496), (8624, 32272), (9856, 28238), (12544, 22187), (14119, 19712), (16136, 17248)]