## Introduction to the Theory of Numbers |

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### Contents

Divisibility and Other Beginnings | 1 |

Arithmetic Functions | 47 |

The Ring of Arithmetic Functions A DoItYourself Chapter | 105 |

Copyright | |

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### Common terms and phrases

abelian addition appears applied arithmetic function assertion assume bound called character coefficients common completely congruence consider constant contains contradiction Corollary counting cyclic defined Definition denote derivation determined distinct primes divides divisible divisor easily element equals equations equivalent established estimate Euler example EXERCISES exists extend fact finite fixed follows formula function Further Gauss given gives hence holds identity implies induction infinitely least Lemma log log log n log x Mathematical method modulo multiple O(log obtain odd prime original polynomial positive integer prime primitive root problem progressions proof Prove provides quadratic rational reduced relatively prime representation require residue classes result satisfies seen Show side solutions subgroup sufficiently Theorem theory turn values yields Σ Σ