2981027021

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{5431}}^1\times {\mathrm{4127}}^1$

素因数の和:9584

約数の個数: 16

約数和(自身を含む): 3587727360

約数和(自身を除く): 606700339

約数列:

[1, 7, 19, 133, 4127, 5431, 28889, 38017, 78413, 103189, 548891, 722323, 22413737, 156896159, 425861003, 2981027021]

約数ペア:

[(1, 2981027021), (7, 425861003), (19, 156896159), (133, 22413737), (4127, 722323), (5431, 548891), (28889, 103189), (38017, 78413)]