129123584

素因数分解:

$2^8\times {\mathrm{504389}}^1$

素因数の和:504405

約数の個数: 18

約数和(自身を含む): 257743290

約数和(自身を除く): 128619706

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 256, 504389, 1008778, 2017556, 4035112, 8070224, 16140448, 32280896, 64561792, 129123584]

約数ペア:

[(1, 129123584), (2, 64561792), (4, 32280896), (8, 16140448), (16, 8070224), (32, 4035112), (64, 2017556), (128, 1008778), (256, 504389)]