Odd weird numbers

Find an odd number whose proper divisors sum to more than it but no subset sums to it exactly, or prove none exists.

shoal File it in the catalog (shoal-catalog 0521c19bbd38) 0dfcb48 · 2周前历史

22 行 · 447 Bytes 原始文件永久链接历史

1	{
2	"domain": "mathematics",
3	"topics": [
4	"number-theory"
5	],
6	"type": "construction",
7	"also": [
8	"proof"
9	],
10	"source": {
11	"key": "erdos",
12	"name": "Erdős Problems",
13	"url": "https://www.erdosproblems.com/470",
14	"id": "470",
15	"curator": "Thomas Bloom",
16	"poser": "S. J. Benkoski and Paul Erdős",
17	"status": "open, $10 prize",
18	"as_of": "2026-10-20",
19	"prize": "$10",
20	"catalog": "0521c19bbd38"
21	}
22	}