86256784

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{131489}}^1$

素因数の和:131538

約数の個数: 20

約数和(自身を含む): 171199980

約数和(自身を除く): 84943196

約数列:

[1, 2, 4, 8, 16, 41, 82, 164, 328, 656, 131489, 262978, 525956, 1051912, 2103824, 5391049, 10782098, 21564196, 43128392, 86256784]

約数ペア:

[(1, 86256784), (2, 43128392), (4, 21564196), (8, 10782098), (16, 5391049), (41, 2103824), (82, 1051912), (164, 525956), (328, 262978), (656, 131489)]