2491187831

素因数分解:

${\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{90989}}^1$

素因数の和:91150

約数の個数: 16

約数和(自身を含む): 2882563200

約数和(自身を除く): 391375369

約数列:

[1, 11, 19, 131, 209, 1441, 2489, 27379, 90989, 1000879, 1728791, 11919559, 19016701, 131115149, 226471621, 2491187831]

約数ペア:

[(1, 2491187831), (11, 226471621), (19, 131115149), (131, 19016701), (209, 11919559), (1441, 1728791), (2489, 1000879), (27379, 90989)]