28657981

素因数分解:

${\mathrm{11}}^1\times {\mathrm{31}}^2\times {\mathrm{2711}}^1$

素因数の和:2784

約数の個数: 12

約数和(自身を含む): 32316192

約数和(自身を除く): 3658211

約数列:

[1, 11, 31, 341, 961, 2711, 10571, 29821, 84041, 924451, 2605271, 28657981]

約数ペア:

[(1, 28657981), (11, 2605271), (31, 924451), (341, 84041), (961, 29821), (2711, 10571)]