A Concise Introduction to the Theory of Numbers- Baker A.

- 第二章
1.取整函数满足
2.

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5.Möbius function
Möbius function
6.
8.Average orders
Average orders are to determine the magnitude 'on average' of arithmetical functions f.

9.Perfect numbers
A natural number n is said to be perfect if ,
in other words,n is equal to the sum of its divisors other than itself.
充分性易证,必要性证明如下:
(k,m are intergers,m is odd.)
10.The Riemann zeta-function
The Riemann zeta-function
The Riemann zeta-function中文
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