268931632

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{390889}}^1$

素因数の和:390940

約数の個数: 20

約数和(自身を含む): 533173960

約数和(自身を除く): 264242328

約数列:

[1, 2, 4, 8, 16, 43, 86, 172, 344, 688, 390889, 781778, 1563556, 3127112, 6254224, 16808227, 33616454, 67232908, 134465816, 268931632]

約数ペア:

[(1, 268931632), (2, 134465816), (4, 67232908), (8, 33616454), (16, 16808227), (43, 6254224), (86, 3127112), (172, 1563556), (344, 781778), (688, 390889)]