140028889

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{2371}}^1$

素因数の和:2461

約数の個数: 32

約数和(自身を含む): 191278080

約数和(自身を除く): 51249191

約数列:

[1, 7, 11, 13, 59, 77, 91, 143, 413, 649, 767, 1001, 2371, 4543, 5369, 8437, 16597, 26081, 30823, 59059, 139889, 182567, 215761, 339053, 979223, 1538779, 1818557, 2373371, 10771453, 12729899, 20004127, 140028889]

約数ペア:

[(1, 140028889), (7, 20004127), (11, 12729899), (13, 10771453), (59, 2373371), (77, 1818557), (91, 1538779), (143, 979223), (413, 339053), (649, 215761), (767, 182567), (1001, 139889), (2371, 59059), (4543, 30823), (5369, 26081), (8437, 16597)]