81700864

素因数分解:

$2^{11}\times 7^1\times {\mathrm{41}}^1\times {\mathrm{139}}^1$

素因数の和:209

約数の個数: 96

約数和(自身を含む): 192628800

約数和(自身を除く): 110927936

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 41, 56, 64, 82, 112, 128, 139, 164, 224, 256, 278, 287, 328, 448, 512, 556, 574, 656, 896, 973, 1024, 1112, 1148, 1312, 1792, 1946, 2048, 2224, 2296, 2624, 3584, 3892, 4448, 4592, 5248, 5699, 7168, 7784, 8896, 9184, 10496, 11398, 14336, 15568, 17792, 18368, 20992, 22796, 31136, 35584, 36736, 39893, 41984, 45592, 62272, 71168, 73472, 79786, 83968, 91184, 124544, 142336, 146944, 159572, 182368, 249088, 284672, 293888, 319144, 364736, 498176, 587776, 638288, 729472, 996352, 1276576, 1458944, 1992704, 2553152, 2917888, 5106304, 5835776, 10212608, 11671552, 20425216, 40850432, 81700864]

約数ペア:

[(1, 81700864), (2, 40850432), (4, 20425216), (7, 11671552), (8, 10212608), (14, 5835776), (16, 5106304), (28, 2917888), (32, 2553152), (41, 1992704), (56, 1458944), (64, 1276576), (82, 996352), (112, 729472), (128, 638288), (139, 587776), (164, 498176), (224, 364736), (256, 319144), (278, 293888), (287, 284672), (328, 249088), (448, 182368), (512, 159572), (556, 146944), (574, 142336), (656, 124544), (896, 91184), (973, 83968), (1024, 79786), (1112, 73472), (1148, 71168), (1312, 62272), (1792, 45592), (1946, 41984), (2048, 39893), (2224, 36736), (2296, 35584), (2624, 31136), (3584, 22796), (3892, 20992), (4448, 18368), (4592, 17792), (5248, 15568), (5699, 14336), (7168, 11398), (7784, 10496), (8896, 9184)]