81505792

素因数分解:

$2^9\times {\mathrm{159191}}^1$

素因数の和:159209

約数の個数: 20

約数和(自身を含む): 162853416

約数和(自身を除く): 81347624

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 256, 512, 159191, 318382, 636764, 1273528, 2547056, 5094112, 10188224, 20376448, 40752896, 81505792]

約数ペア:

[(1, 81505792), (2, 40752896), (4, 20376448), (8, 10188224), (16, 5094112), (32, 2547056), (64, 1273528), (128, 636764), (256, 318382), (512, 159191)]