257823104

素因数分解:

$2^7\times 7^2\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{101}}^1$

素因数の和:177

約数の個数: 192

約数和(自身を含む): 676051920

約数和(自身を除く): 418228816

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 32, 37, 44, 49, 56, 64, 74, 77, 88, 98, 101, 112, 128, 148, 154, 176, 196, 202, 224, 259, 296, 308, 352, 392, 404, 407, 448, 518, 539, 592, 616, 704, 707, 784, 808, 814, 896, 1036, 1078, 1111, 1184, 1232, 1408, 1414, 1568, 1616, 1628, 1813, 2072, 2156, 2222, 2368, 2464, 2828, 2849, 3136, 3232, 3256, 3626, 3737, 4144, 4312, 4444, 4736, 4928, 4949, 5656, 5698, 6272, 6464, 6512, 7252, 7474, 7777, 8288, 8624, 8888, 9856, 9898, 11312, 11396, 12928, 13024, 14504, 14948, 15554, 16576, 17248, 17776, 19796, 19943, 22624, 22792, 26048, 26159, 29008, 29896, 31108, 33152, 34496, 35552, 39592, 39886, 41107, 45248, 45584, 52096, 52318, 54439, 58016, 59792, 62216, 68992, 71104, 79184, 79772, 82214, 90496, 91168, 104636, 108878, 116032, 119584, 124432, 142208, 158368, 159544, 164428, 182336, 183113, 209272, 217756, 232064, 239168, 248864, 287749, 316736, 319088, 328856, 364672, 366226, 418544, 435512, 478336, 497728, 575498, 633472, 638176, 657712, 732452, 837088, 871024, 995456, 1150996, 1276352, 1315424, 1464904, 1674176, 1742048, 2014243, 2301992, 2552704, 2630848, 2929808, 3348352, 3484096, 4028486, 4603984, 5261696, 5859616, 6968192, 8056972, 9207968, 11719232, 16113944, 18415936, 23438464, 32227888, 36831872, 64455776, 128911552, 257823104]

約数ペア:

[(1, 257823104), (2, 128911552), (4, 64455776), (7, 36831872), (8, 32227888), (11, 23438464), (14, 18415936), (16, 16113944), (22, 11719232), (28, 9207968), (32, 8056972), (37, 6968192), (44, 5859616), (49, 5261696), (56, 4603984), (64, 4028486), (74, 3484096), (77, 3348352), (88, 2929808), (98, 2630848), (101, 2552704), (112, 2301992), (128, 2014243), (148, 1742048), (154, 1674176), (176, 1464904), (196, 1315424), (202, 1276352), (224, 1150996), (259, 995456), (296, 871024), (308, 837088), (352, 732452), (392, 657712), (404, 638176), (407, 633472), (448, 575498), (518, 497728), (539, 478336), (592, 435512), (616, 418544), (704, 366226), (707, 364672), (784, 328856), (808, 319088), (814, 316736), (896, 287749), (1036, 248864), (1078, 239168), (1111, 232064), (1184, 217756), (1232, 209272), (1408, 183113), (1414, 182336), (1568, 164428), (1616, 159544), (1628, 158368), (1813, 142208), (2072, 124432), (2156, 119584), (2222, 116032), (2368, 108878), (2464, 104636), (2828, 91168), (2849, 90496), (3136, 82214), (3232, 79772), (3256, 79184), (3626, 71104), (3737, 68992), (4144, 62216), (4312, 59792), (4444, 58016), (4736, 54439), (4928, 52318), (4949, 52096), (5656, 45584), (5698, 45248), (6272, 41107), (6464, 39886), (6512, 39592), (7252, 35552), (7474, 34496), (7777, 33152), (8288, 31108), (8624, 29896), (8888, 29008), (9856, 26159), (9898, 26048), (11312, 22792), (11396, 22624), (12928, 19943), (13024, 19796), (14504, 17776), (14948, 17248), (15554, 16576)]