81008384

素因数分解:

$2^8\times {\mathrm{316439}}^1$

素因数の和:316455

約数の個数: 18

約数和(自身を含む): 161700840

約数和(自身を除く): 80692456

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 256, 316439, 632878, 1265756, 2531512, 5063024, 10126048, 20252096, 40504192, 81008384]

約数ペア:

[(1, 81008384), (2, 40504192), (4, 20252096), (8, 10126048), (16, 5063024), (32, 2531512), (64, 1265756), (128, 632878), (256, 316439)]