71488256

素因数分解:

$2^8\times 7^2\times {\mathrm{41}}^1\times {\mathrm{139}}^1$

素因数の和:210

約数の個数: 108

約数和(自身を含む): 171266760

約数和(自身を除く): 99778504

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 41, 49, 56, 64, 82, 98, 112, 128, 139, 164, 196, 224, 256, 278, 287, 328, 392, 448, 556, 574, 656, 784, 896, 973, 1112, 1148, 1312, 1568, 1792, 1946, 2009, 2224, 2296, 2624, 3136, 3892, 4018, 4448, 4592, 5248, 5699, 6272, 6811, 7784, 8036, 8896, 9184, 10496, 11398, 12544, 13622, 15568, 16072, 17792, 18368, 22796, 27244, 31136, 32144, 35584, 36736, 39893, 45592, 54488, 62272, 64288, 73472, 79786, 91184, 108976, 124544, 128576, 159572, 182368, 217952, 249088, 257152, 279251, 319144, 364736, 435904, 514304, 558502, 638288, 729472, 871808, 1117004, 1276576, 1458944, 1743616, 2234008, 2553152, 4468016, 5106304, 8936032, 10212608, 17872064, 35744128, 71488256]

約数ペア:

[(1, 71488256), (2, 35744128), (4, 17872064), (7, 10212608), (8, 8936032), (14, 5106304), (16, 4468016), (28, 2553152), (32, 2234008), (41, 1743616), (49, 1458944), (56, 1276576), (64, 1117004), (82, 871808), (98, 729472), (112, 638288), (128, 558502), (139, 514304), (164, 435904), (196, 364736), (224, 319144), (256, 279251), (278, 257152), (287, 249088), (328, 217952), (392, 182368), (448, 159572), (556, 128576), (574, 124544), (656, 108976), (784, 91184), (896, 79786), (973, 73472), (1112, 64288), (1148, 62272), (1312, 54488), (1568, 45592), (1792, 39893), (1946, 36736), (2009, 35584), (2224, 32144), (2296, 31136), (2624, 27244), (3136, 22796), (3892, 18368), (4018, 17792), (4448, 16072), (4592, 15568), (5248, 13622), (5699, 12544), (6272, 11398), (6811, 10496), (7784, 9184), (8036, 8896)]