207640444

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{313}}^1\times {\mathrm{15077}}^1$

素因数の和:15405

約数の個数: 24

約数和(自身を含む): 397697328

約数和(自身を除く): 190056884

約数列:

[1, 2, 4, 11, 22, 44, 313, 626, 1252, 3443, 6886, 13772, 15077, 30154, 60308, 165847, 331694, 663388, 4719101, 9438202, 18876404, 51910111, 103820222, 207640444]

約数ペア:

[(1, 207640444), (2, 103820222), (4, 51910111), (11, 18876404), (22, 9438202), (44, 4719101), (313, 663388), (626, 331694), (1252, 165847), (3443, 60308), (6886, 30154), (13772, 15077)]