From 5ab8a5088b729a9953b8dff1b2a985dc8fb2098b Mon Sep 17 00:00:00 2001
From: mzuenni <michi.zuendorf@gmail.com>
Date: Mon, 27 Jun 2022 17:19:28 +0200
Subject: updated tcr

---
 math/divisors.cpp | 11 +++++++++++
 1 file changed, 11 insertions(+)
 create mode 100644 math/divisors.cpp

(limited to 'math/divisors.cpp')

diff --git a/math/divisors.cpp b/math/divisors.cpp
new file mode 100644
index 0000000..638c87c
--- /dev/null
+++ b/math/divisors.cpp
@@ -0,0 +1,11 @@
+ll countDivisors(ll n) {
+	ll res = 1;
+	for (ll i = 2; i * i * i <= n; i++) {
+		ll c = 0;
+		while (n % i == 0) {n /= i; c++;}
+		res *= c + 1;
+	}
+	if (isPrime(n)) res *= 2;
+	else if (n > 1) res *= isSquare(n) ? 3 : 4;
+	return res;
+}
\ No newline at end of file
-- 
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