1668278

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{139}}^1\times {\mathrm{353}}^1$

素因数の和:511

約数の個数: 16

約数和(自身を含む): 2676240

約数和(自身を除く): 1007962

約数列:

[1, 2, 17, 34, 139, 278, 353, 706, 2363, 4726, 6001, 12002, 49067, 98134, 834139, 1668278]

約数ペア:

[(1, 1668278), (2, 834139), (17, 98134), (34, 49067), (139, 12002), (278, 6001), (353, 4726), (706, 2363)]