289507984

素因数分解:

$2^4\times {\mathrm{83}}^1\times {\mathrm{218003}}^1$

素因数の和:218094

約数の個数: 20

約数和(自身を含む): 567682416

約数和(自身を除く): 278174432

約数列:

[1, 2, 4, 8, 16, 83, 166, 332, 664, 1328, 218003, 436006, 872012, 1744024, 3488048, 18094249, 36188498, 72376996, 144753992, 289507984]

約数ペア:

[(1, 289507984), (2, 144753992), (4, 72376996), (8, 36188498), (16, 18094249), (83, 3488048), (166, 1744024), (332, 872012), (664, 436006), (1328, 218003)]