81347072

素因数分解:

$2^9\times {\mathrm{158881}}^1$

素因数の和:158899

約数の個数: 20

約数和(自身を含む): 162536286

約数和(自身を除く): 81189214

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 256, 512, 158881, 317762, 635524, 1271048, 2542096, 5084192, 10168384, 20336768, 40673536, 81347072]

約数ペア:

[(1, 81347072), (2, 40673536), (4, 20336768), (8, 10168384), (16, 5084192), (32, 2542096), (64, 1271048), (128, 635524), (256, 317762), (512, 158881)]