684784

素因数分解:

$2^4\times {\mathrm{127}}^1\times {\mathrm{337}}^1$

素因数の和:472

約数の個数: 20

約数和(自身を含む): 1341184

約数和(自身を除く): 656400

約数列:

[1, 2, 4, 8, 16, 127, 254, 337, 508, 674, 1016, 1348, 2032, 2696, 5392, 42799, 85598, 171196, 342392, 684784]

約数ペア:

[(1, 684784), (2, 342392), (4, 171196), (8, 85598), (16, 42799), (127, 5392), (254, 2696), (337, 2032), (508, 1348), (674, 1016)]