66481408

素因数分解:

$2^8\times 7^1\times {\mathrm{23}}^1\times {\mathrm{1613}}^1$

素因数の和:1659

約数の個数: 72

約数和(自身を含む): 158352768

約数和(自身を除く): 91871360

約数列:

[1, 2, 4, 7, 8, 14, 16, 23, 28, 32, 46, 56, 64, 92, 112, 128, 161, 184, 224, 256, 322, 368, 448, 644, 736, 896, 1288, 1472, 1613, 1792, 2576, 2944, 3226, 5152, 5888, 6452, 10304, 11291, 12904, 20608, 22582, 25808, 37099, 41216, 45164, 51616, 74198, 90328, 103232, 148396, 180656, 206464, 259693, 296792, 361312, 412928, 519386, 593584, 722624, 1038772, 1187168, 1445248, 2077544, 2374336, 2890496, 4155088, 4748672, 8310176, 9497344, 16620352, 33240704, 66481408]

約数ペア:

[(1, 66481408), (2, 33240704), (4, 16620352), (7, 9497344), (8, 8310176), (14, 4748672), (16, 4155088), (23, 2890496), (28, 2374336), (32, 2077544), (46, 1445248), (56, 1187168), (64, 1038772), (92, 722624), (112, 593584), (128, 519386), (161, 412928), (184, 361312), (224, 296792), (256, 259693), (322, 206464), (368, 180656), (448, 148396), (644, 103232), (736, 90328), (896, 74198), (1288, 51616), (1472, 45164), (1613, 41216), (1792, 37099), (2576, 25808), (2944, 22582), (3226, 20608), (5152, 12904), (5888, 11291), (6452, 10304)]