2155482721

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{2221}}^1\times {\mathrm{7297}}^1$

素因数の和:9544

約数の個数: 16

約数和(自身を含む): 2594584960

約数和(自身を除く): 439102239

約数列:

[1, 7, 19, 133, 2221, 7297, 15547, 42199, 51079, 138643, 295393, 970501, 16206637, 113446459, 307926103, 2155482721]

約数ペア:

[(1, 2155482721), (7, 307926103), (19, 113446459), (133, 16206637), (2221, 970501), (7297, 295393), (15547, 138643), (42199, 51079)]