NC15325 等式

https://ac.nowcoder.com/acm/contest/view-submission?submissionId=53945742

NowCoder/15325/15325.cpp

@@ -0,0 +1,39 @@
+#include <iostream>
+
+using std::cin;
+using std::cout;
+const char endl = '\n';
+
+int main() {
+    std::ios::sync_with_stdio(false);
+    cin.tie(nullptr);
+
+    int t;
+
+    cin >> t;
+
+    while (t--) {
+        int n, ans = 1;
+
+        cin >> n;
+
+        for (int i = 2; i * i <= n; i++) {
+            if (n % i == 0) {
+                int cnt = 0;
+
+                while (n % i == 0) {
+                    n /= i;
+                    cnt++;
+                }
+
+                ans *= cnt * 2 + 1;
+            }
+        }
+
+        if (n > 1) ans *= 3;
+
+        cout << ans / 2 + 1 << endl;
+    }
+
+    return 0;
+}