39957242

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{90401}}^1$

素因数の和:90433

約数の個数: 16

約数和(自身を含む): 68343912

約数和(自身を除く): 28386670

約数列:

[1, 2, 13, 17, 26, 34, 221, 442, 90401, 180802, 1175213, 1536817, 2350426, 3073634, 19978621, 39957242]

約数ペア:

[(1, 39957242), (2, 19978621), (13, 3073634), (17, 2350426), (26, 1536817), (34, 1175213), (221, 180802), (442, 90401)]