278418112

素因数分解:

$2^6\times 7^1\times {\mathrm{17}}^1\times {\mathrm{139}}^1\times {\mathrm{263}}^1$

素因数の和:438

約数の個数: 112

約数和(自身を含む): 675924480

約数和(自身を除く): 397506368

約数列:

[1, 2, 4, 7, 8, 14, 16, 17, 28, 32, 34, 56, 64, 68, 112, 119, 136, 139, 224, 238, 263, 272, 278, 448, 476, 526, 544, 556, 952, 973, 1052, 1088, 1112, 1841, 1904, 1946, 2104, 2224, 2363, 3682, 3808, 3892, 4208, 4448, 4471, 4726, 7364, 7616, 7784, 8416, 8896, 8942, 9452, 14728, 15568, 16541, 16832, 17884, 18904, 29456, 31136, 31297, 33082, 35768, 36557, 37808, 58912, 62272, 62594, 66164, 71536, 73114, 75616, 117824, 125188, 132328, 143072, 146228, 151232, 250376, 255899, 264656, 286144, 292456, 500752, 511798, 529312, 584912, 621469, 1001504, 1023596, 1058624, 1169824, 1242938, 2003008, 2047192, 2339648, 2485876, 4094384, 4350283, 4971752, 8188768, 8700566, 9943504, 16377536, 17401132, 19887008, 34802264, 39774016, 69604528, 139209056, 278418112]

約数ペア:

[(1, 278418112), (2, 139209056), (4, 69604528), (7, 39774016), (8, 34802264), (14, 19887008), (16, 17401132), (17, 16377536), (28, 9943504), (32, 8700566), (34, 8188768), (56, 4971752), (64, 4350283), (68, 4094384), (112, 2485876), (119, 2339648), (136, 2047192), (139, 2003008), (224, 1242938), (238, 1169824), (263, 1058624), (272, 1023596), (278, 1001504), (448, 621469), (476, 584912), (526, 529312), (544, 511798), (556, 500752), (952, 292456), (973, 286144), (1052, 264656), (1088, 255899), (1112, 250376), (1841, 151232), (1904, 146228), (1946, 143072), (2104, 132328), (2224, 125188), (2363, 117824), (3682, 75616), (3808, 73114), (3892, 71536), (4208, 66164), (4448, 62594), (4471, 62272), (4726, 58912), (7364, 37808), (7616, 36557), (7784, 35768), (8416, 33082), (8896, 31297), (8942, 31136), (9452, 29456), (14728, 18904), (15568, 17884), (16541, 16832)]