129443584

素因数分解:

$2^8\times {\mathrm{505639}}^1$

素因数の和:505655

約数の個数: 18

約数和(自身を含む): 258382040

約数和(自身を除く): 128938456

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 256, 505639, 1011278, 2022556, 4045112, 8090224, 16180448, 32360896, 64721792, 129443584]

約数ペア:

[(1, 129443584), (2, 64721792), (4, 32360896), (8, 16180448), (16, 8090224), (32, 4045112), (64, 2022556), (128, 1011278), (256, 505639)]