81696512

素因数分解:

$2^8\times {\mathrm{319127}}^1$

素因数の和:319143

約数の個数: 18

約数和(自身を含む): 163074408

約数和(自身を除く): 81377896

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 256, 319127, 638254, 1276508, 2553016, 5106032, 10212064, 20424128, 40848256, 81696512]

約数ペア:

[(1, 81696512), (2, 40848256), (4, 20424128), (8, 10212064), (16, 5106032), (32, 2553016), (64, 1276508), (128, 638254), (256, 319127)]