639472459

素因数分解:

${\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{313}}^1\times {\mathrm{2557}}^1$

素因数の和:2934

約数の個数: 16

約数和(自身を含む): 693975168

約数和(自身を除く): 54502709

約数列:

[1, 17, 47, 313, 799, 2557, 5321, 14711, 43469, 120179, 250087, 800341, 2043043, 13605797, 37616027, 639472459]

約数ペア:

[(1, 639472459), (17, 37616027), (47, 13605797), (313, 2043043), (799, 800341), (2557, 250087), (5321, 120179), (14711, 43469)]