128839168

素因数分解:

$2^9\times {\mathrm{251639}}^1$

素因数の和:251657

約数の個数: 20

約数和(自身を含む): 257427720

約数和(自身を除く): 128588552

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 256, 512, 251639, 503278, 1006556, 2013112, 4026224, 8052448, 16104896, 32209792, 64419584, 128839168]

約数ペア:

[(1, 128839168), (2, 64419584), (4, 32209792), (8, 16104896), (16, 8052448), (32, 4026224), (64, 2013112), (128, 1006556), (256, 503278), (512, 251639)]