81980272

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{465797}}^1$

素因数の和:465816

約数の個数: 20

約数和(自身を含む): 173276856

約数和(自身を除く): 91296584

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 465797, 931594, 1863188, 3726376, 5123767, 7452752, 10247534, 20495068, 40990136, 81980272]

約数ペア:

[(1, 81980272), (2, 40990136), (4, 20495068), (8, 10247534), (11, 7452752), (16, 5123767), (22, 3726376), (44, 1863188), (88, 931594), (176, 465797)]