581009

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{239}}^1$

素因数の和:280

約数の個数: 16

約数和(自身を含む): 725760

約数和(自身を除く): 144751

約数列:

[1, 11, 13, 17, 143, 187, 221, 239, 2431, 2629, 3107, 4063, 34177, 44693, 52819, 581009]

約数ペア:

[(1, 581009), (11, 52819), (13, 44693), (17, 34177), (143, 4063), (187, 3107), (221, 2629), (239, 2431)]