81577856

素因数分解:

$2^7\times {\mathrm{637327}}^1$

素因数の和:637341

約数の個数: 16

約数和(自身を含む): 162518640

約数和(自身を除く): 80940784

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 637327, 1274654, 2549308, 5098616, 10197232, 20394464, 40788928, 81577856]

約数ペア:

[(1, 81577856), (2, 40788928), (4, 20394464), (8, 10197232), (16, 5098616), (32, 2549308), (64, 1274654), (128, 637327)]