87188647

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^2\times {\mathrm{997}}^1$

素因数の和:1079

約数の個数: 24

約数和(自身を含む): 110993568

約数和(自身を除く): 23804921

約数列:

[1, 7, 13, 31, 91, 217, 403, 961, 997, 2821, 6727, 6979, 12493, 12961, 30907, 87451, 90727, 216349, 401791, 958117, 2812537, 6706819, 12455521, 87188647]

約数ペア:

[(1, 87188647), (7, 12455521), (13, 6706819), (31, 2812537), (91, 958117), (217, 401791), (403, 216349), (961, 90727), (997, 87451), (2821, 30907), (6727, 12961), (6979, 12493)]