81071872

素因数分解:

$2^8\times 7^2\times {\mathrm{23}}^1\times {\mathrm{281}}^1$

素因数の和:334

約数の個数: 108

約数和(自身を含む): 197131536

約数和(自身を除く): 116059664

約数列:

[1, 2, 4, 7, 8, 14, 16, 23, 28, 32, 46, 49, 56, 64, 92, 98, 112, 128, 161, 184, 196, 224, 256, 281, 322, 368, 392, 448, 562, 644, 736, 784, 896, 1124, 1127, 1288, 1472, 1568, 1792, 1967, 2248, 2254, 2576, 2944, 3136, 3934, 4496, 4508, 5152, 5888, 6272, 6463, 7868, 8992, 9016, 10304, 12544, 12926, 13769, 15736, 17984, 18032, 20608, 25852, 27538, 31472, 35968, 36064, 41216, 45241, 51704, 55076, 62944, 71936, 72128, 90482, 103408, 110152, 125888, 144256, 180964, 206816, 220304, 251776, 288512, 316687, 361928, 413632, 440608, 503552, 633374, 723856, 827264, 881216, 1266748, 1447712, 1654528, 1762432, 2533496, 2895424, 3524864, 5066992, 5790848, 10133984, 11581696, 20267968, 40535936, 81071872]

約数ペア:

[(1, 81071872), (2, 40535936), (4, 20267968), (7, 11581696), (8, 10133984), (14, 5790848), (16, 5066992), (23, 3524864), (28, 2895424), (32, 2533496), (46, 1762432), (49, 1654528), (56, 1447712), (64, 1266748), (92, 881216), (98, 827264), (112, 723856), (128, 633374), (161, 503552), (184, 440608), (196, 413632), (224, 361928), (256, 316687), (281, 288512), (322, 251776), (368, 220304), (392, 206816), (448, 180964), (562, 144256), (644, 125888), (736, 110152), (784, 103408), (896, 90482), (1124, 72128), (1127, 71936), (1288, 62944), (1472, 55076), (1568, 51704), (1792, 45241), (1967, 41216), (2248, 36064), (2254, 35968), (2576, 31472), (2944, 27538), (3136, 25852), (3934, 20608), (4496, 18032), (4508, 17984), (5152, 15736), (5888, 13769), (6272, 12926), (6463, 12544), (7868, 10304), (8992, 9016)]