论文标题
涉及除数功能数量和GCD功能的求和
A summation involving the number of divisors function and the GCD function
论文作者
论文摘要
让$ n $为正数。我们为所有$ a $ a $ and $ b $的$τ（\ gcd（a，b））$提供渐近公式。
Let $N$ be a positive number. We give an asymptotic formula for the sum of $τ(\gcd(a,b))$ for all $a$ and $b$ with $ab \le N$.
