129781666

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^2\times {\mathrm{25679}}^1$

素因数の和:25726

約数の個数: 24

約数和(自身を含む): 234817920

約数和(自身を除く): 105036254

約数列:

[1, 2, 7, 14, 19, 38, 133, 266, 361, 722, 2527, 5054, 25679, 51358, 179753, 359506, 487901, 975802, 3415307, 6830614, 9270119, 18540238, 64890833, 129781666]

約数ペア:

[(1, 129781666), (2, 64890833), (7, 18540238), (14, 9270119), (19, 6830614), (38, 3415307), (133, 975802), (266, 487901), (361, 359506), (722, 179753), (2527, 51358), (5054, 25679)]