81252272

素因数分解:

$2^4\times {\mathrm{263}}^1\times {\mathrm{19309}}^1$

素因数の和:19580

約数の個数: 20

約数和(自身を含む): 158033040

約数和(自身を除く): 76780768

約数列:

[1, 2, 4, 8, 16, 263, 526, 1052, 2104, 4208, 19309, 38618, 77236, 154472, 308944, 5078267, 10156534, 20313068, 40626136, 81252272]

約数ペア:

[(1, 81252272), (2, 40626136), (4, 20313068), (8, 10156534), (16, 5078267), (263, 308944), (526, 154472), (1052, 77236), (2104, 38618), (4208, 19309)]