28302841

素因数分解:

$7^2\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{557}}^1$

素因数の和:649

約数の個数: 24

約数和(自身を含む): 35495496

約数和(自身を除く): 7192655

約数列:

[1, 7, 17, 49, 61, 119, 427, 557, 833, 1037, 2989, 3899, 7259, 9469, 27293, 33977, 50813, 66283, 237839, 463981, 577609, 1664873, 4043263, 28302841]

約数ペア:

[(1, 28302841), (7, 4043263), (17, 1664873), (49, 577609), (61, 463981), (119, 237839), (427, 66283), (557, 50813), (833, 33977), (1037, 27293), (2989, 9469), (3899, 7259)]