25894145

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^2\times {\mathrm{317}}^1$

素因数の和:401

約数の個数: 24

約数和(自身を含む): 34103592

約数和(自身を除く): 8209447

約数列:

[1, 5, 17, 31, 85, 155, 317, 527, 961, 1585, 2635, 4805, 5389, 9827, 16337, 26945, 49135, 81685, 167059, 304637, 835295, 1523185, 5178829, 25894145]

約数ペア:

[(1, 25894145), (5, 5178829), (17, 1523185), (31, 835295), (85, 304637), (155, 167059), (317, 81685), (527, 49135), (961, 26945), (1585, 16337), (2635, 9827), (4805, 5389)]