MENG Zaizhao.[J].数学年刊A辑,1999,20(4):473~478
THE FUNCTION {\tf d}$_{{\boldkey k}}$({\tf n}) ATCONSECUTIVE INTEGERS
Received:March 13, 1998  Revised:May 19, 1999
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中文关键词:  
英文关键词:Divisor function, Multiplicative function, Congruence
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Author NameAffiliation
MENG Zaizhao Department of Mathematics, Peking University, Beijing 100871, China. 
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中文摘要:
      
英文摘要:
      Let $d_{k}(n)$ denote the $k$-fold iterated divisor function $(k\geq 2)$. It is proved that for sufficiently large $x$, $d_{k}(n)=d_{k}(n+1)$ holds for $\gg x(\log\log x)^{-3}$ integers $n\leq x$.
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