208681984

素因数分解:

$2^{10}\times 7^2\times {\mathrm{4159}}^1$

素因数の和:4193

約数の個数: 66

約数和(自身を含む): 485384640

約数和(自身を除く): 276702656

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 64, 98, 112, 128, 196, 224, 256, 392, 448, 512, 784, 896, 1024, 1568, 1792, 3136, 3584, 4159, 6272, 7168, 8318, 12544, 16636, 25088, 29113, 33272, 50176, 58226, 66544, 116452, 133088, 203791, 232904, 266176, 407582, 465808, 532352, 815164, 931616, 1064704, 1630328, 1863232, 2129408, 3260656, 3726464, 4258816, 6521312, 7452928, 13042624, 14905856, 26085248, 29811712, 52170496, 104340992, 208681984]

約数ペア:

[(1, 208681984), (2, 104340992), (4, 52170496), (7, 29811712), (8, 26085248), (14, 14905856), (16, 13042624), (28, 7452928), (32, 6521312), (49, 4258816), (56, 3726464), (64, 3260656), (98, 2129408), (112, 1863232), (128, 1630328), (196, 1064704), (224, 931616), (256, 815164), (392, 532352), (448, 465808), (512, 407582), (784, 266176), (896, 232904), (1024, 203791), (1568, 133088), (1792, 116452), (3136, 66544), (3584, 58226), (4159, 50176), (6272, 33272), (7168, 29113), (8318, 25088), (12544, 16636)]