28869197

素因数分解:

$7^1\times {\mathrm{89}}^1\times {\mathrm{149}}^1\times {\mathrm{311}}^1$

素因数の和:556

約数の個数: 16

約数和(自身を含む): 33696000

約数和(自身を除く): 4826803

約数列:

[1, 7, 89, 149, 311, 623, 1043, 2177, 13261, 27679, 46339, 92827, 193753, 324373, 4124171, 28869197]

約数ペア:

[(1, 28869197), (7, 4124171), (89, 324373), (149, 193753), (311, 92827), (623, 46339), (1043, 27679), (2177, 13261)]