256880998

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{647}}^1\times {\mathrm{18047}}^1$

素因数の和:18707

約数の個数: 16

約数和(自身を含む): 421023744

約数和(自身を除く): 164142746

約数列:

[1, 2, 11, 22, 647, 1294, 7117, 14234, 18047, 36094, 198517, 397034, 11676409, 23352818, 128440499, 256880998]

約数ペア:

[(1, 256880998), (2, 128440499), (11, 23352818), (22, 11676409), (647, 397034), (1294, 198517), (7117, 36094), (14234, 18047)]