28771687

素因数分解:

$7^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{1567}}^1$

素因数の和:1678

約数の個数: 16

約数和(自身を含む): 34220032

約数和(自身を除く): 5448345

約数列:

[1, 7, 43, 61, 301, 427, 1567, 2623, 10969, 18361, 67381, 95587, 471667, 669109, 4110241, 28771687]

約数ペア:

[(1, 28771687), (7, 4110241), (43, 669109), (61, 471667), (301, 95587), (427, 67381), (1567, 18361), (2623, 10969)]