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 Update scienceslack.json from shoal-catalog d1cbb60b3b19 031a5e9 · 2周前历史

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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	"review": true,
23	"approval": "first-time"
24	}