890905796

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{1117}}^1\times {\mathrm{18127}}^1$

素因数の和:19259

約数の個数: 24

約数和(自身を含む): 1702436736

約数和(自身を除く): 811530940

約数列:

[1, 2, 4, 11, 22, 44, 1117, 2234, 4468, 12287, 18127, 24574, 36254, 49148, 72508, 199397, 398794, 797588, 20247859, 40495718, 80991436, 222726449, 445452898, 890905796]

約数ペア:

[(1, 890905796), (2, 445452898), (4, 222726449), (11, 80991436), (22, 40495718), (44, 20247859), (1117, 797588), (2234, 398794), (4468, 199397), (12287, 72508), (18127, 49148), (24574, 36254)]