28890407

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{4349}}^1$

素因数の和:4442

約数の個数: 16

約数和(自身を含む): 36052800

約数和(自身を除く): 7162393

約数列:

[1, 7, 13, 73, 91, 511, 949, 4349, 6643, 30443, 56537, 317477, 395759, 2222339, 4127201, 28890407]

約数ペア:

[(1, 28890407), (7, 4127201), (13, 2222339), (73, 395759), (91, 317477), (511, 56537), (949, 30443), (4349, 6643)]