1991561

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{733}}^1$

素因数の和:776

約数の個数: 16

約数和(自身を含む): 2466240

約数和(自身を除く): 474679

約数列:

[1, 11, 13, 19, 143, 209, 247, 733, 2717, 8063, 9529, 13927, 104819, 153197, 181051, 1991561]

約数ペア:

[(1, 1991561), (11, 181051), (13, 153197), (19, 104819), (143, 13927), (209, 9529), (247, 8063), (733, 2717)]