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反素数-焚香谷-51CTO博客
source link: http://blog.51cto.com/12584808/2068650
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素数的约数只有1和本身，而反素数是约数尽可能多，多到，比它小的数，约数就不会比它多。、性质反素数的通式：p=2^t1*3^t2*5^t3*7^t4.....(t1>=t2>=t3>=....)尽可能多就表现在质因子是从最小的2开始的连续的质数小的质因子比大的质因子的数目更多通式如上的约数个数为(t1+1)(t2+1)(t3+1)*........由此可见t1,t2....的数目越
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