--- id: 5900f5231000cf542c510035 challengeType: 5 title: 'Problem 439: Sum of sum of divisors' videoUrl: '' localeTitle: '' --- ## Description undefined ## Instructions ## Tests ```yml tests: - text: '' testString: 'assert.strictEqual(euler439(), 968697378, "euler439() should return 968697378.");' ``` ## Challenge Seed ```js function euler439() { // Good luck! return true; } euler439(); ``` ## Solution ```js // solution required ```
euler439()