289018667

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{787}}^1\times {\mathrm{2281}}^1$

素因数の和:3098

約数の個数: 16

約数和(自身を含む): 345257472

約数和(自身を除く): 56238805

約数列:

[1, 7, 23, 161, 787, 2281, 5509, 15967, 18101, 52463, 126707, 367241, 1795147, 12566029, 41288381, 289018667]

約数ペア:

[(1, 289018667), (7, 41288381), (23, 12566029), (161, 1795147), (787, 367241), (2281, 126707), (5509, 52463), (15967, 18101)]