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On a sum involving the divisor function
被引:17
|作者:
Ma, Jing
[1
]
Sun, Huayan
[1
]
机构:
[1] Jilin Univ, Sch Math, Changchun 130012, Peoples R China
基金:
中国国家自然科学基金;
关键词:
Divisor function;
Asymptotic formula;
Exponent pair;
D O I:
10.1007/s10998-020-00378-3
中图分类号:
O29 [应用数学];
学科分类号:
070104 ;
摘要:
Let d(n) be the divisor function and denote by [t] the integral part of the real number t. In this short note, we prove that Sigma(n <= x) d([x/n]) = x Sigma(m >= 1) d(m)/m(m+1) + O-epsilon(x(11/23+epsilon)) for x -> infinity.
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页码:185 / 191
页数:7
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