81115648

素因数分解:

$2^9\times {\mathrm{158429}}^1$

素因数の和:158447

約数の個数: 20

約数和(自身を含む): 162073890

約数和(自身を除く): 80958242

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 256, 512, 158429, 316858, 633716, 1267432, 2534864, 5069728, 10139456, 20278912, 40557824, 81115648]

約数ペア:

[(1, 81115648), (2, 40557824), (4, 20278912), (8, 10139456), (16, 5069728), (32, 2534864), (64, 1267432), (128, 633716), (256, 316858), (512, 158429)]