2808978821

素因数分解:

${\mathrm{11}}^2\times {\mathrm{1259}}^1\times {\mathrm{18439}}^1$

素因数の和:19720

約数の個数: 12

約数和(自身を含む): 3090175200

約数和(自身を除く): 281196379

約数列:

[1, 11, 121, 1259, 13849, 18439, 152339, 202829, 2231119, 23214701, 255361711, 2808978821]

約数ペア:

[(1, 2808978821), (11, 255361711), (121, 23214701), (1259, 2231119), (13849, 202829), (18439, 152339)]