2139156905

素因数分解:

$5^1\times {\mathrm{43}}^1\times {\mathrm{67}}^1\times {\mathrm{148501}}^1$

素因数の和:148616

約数の個数: 16

約数和(自身を含む): 2665907904

約数和(自身を除く): 526750999

約数列:

[1, 5, 43, 67, 215, 335, 2881, 14405, 148501, 742505, 6385543, 9949567, 31927715, 49747835, 427831381, 2139156905]

約数ペア:

[(1, 2139156905), (5, 427831381), (43, 49747835), (67, 31927715), (215, 9949567), (335, 6385543), (2881, 742505), (14405, 148501)]