Data update

Task/Erd-s-Nicolas-numbers/Python/erd-s-nicolas-numbers.py

@@ -0,0 +1,23 @@
+# erdos-nicolas.py by Xing216
+from time import perf_counter
+start = perf_counter()
+def get_div_cnt(n: int) -> None:
+    divcnt,divsum = 1,1
+    lmt = n/2
+    f = 2
+    while True:
+        if f > lmt: break
+        if not (n % f):
+            divsum += f
+            divcnt += 1
+        if divsum == n: break
+        f+=1
+    print(f"{n:>8} equals the sum of its first {divcnt} divisors")
+max_number = 91963649
+dsum = [1 for _ in range(max_number+1)]
+for i in range(2, max_number + 1):
+    for j in range(i + i, max_number + 1, i):
+        if (dsum[j] == j): get_div_cnt(j)
+        dsum[j] += i
+done = perf_counter() - start
+print(f"Done in: {done:.3f}s")