28199339

素因数分解:

$7^1\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{2621}}^1$

素因数の和:2710

約数の個数: 16

約数和(自身を含む): 33981120

約数和(自身を除く): 5781781

約数列:

[1, 7, 29, 53, 203, 371, 1537, 2621, 10759, 18347, 76009, 138913, 532063, 972391, 4028477, 28199339]

約数ペア:

[(1, 28199339), (7, 4028477), (29, 972391), (53, 532063), (203, 138913), (371, 76009), (1537, 18347), (2621, 10759)]