67787279

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{24767}}^1$

素因数の和:24814

約数の個数: 16

約数和(自身を含む): 85598208

約数和(自身を除く): 17810929

約数列:

[1, 7, 17, 23, 119, 161, 391, 2737, 24767, 173369, 421039, 569641, 2947273, 3987487, 9683897, 67787279]

約数ペア:

[(1, 67787279), (7, 9683897), (17, 3987487), (23, 2947273), (119, 569641), (161, 421039), (391, 173369), (2737, 24767)]