998396

素因数分解:

$2^2\times 7^1\times {\mathrm{181}}^1\times {\mathrm{197}}^1$

素因数の和:389

約数の個数: 24

約数和(自身を含む): 2018016

約数和(自身を除く): 1019620

約数列:

[1, 2, 4, 7, 14, 28, 181, 197, 362, 394, 724, 788, 1267, 1379, 2534, 2758, 5068, 5516, 35657, 71314, 142628, 249599, 499198, 998396]

約数ペア:

[(1, 998396), (2, 499198), (4, 249599), (7, 142628), (14, 71314), (28, 35657), (181, 5516), (197, 5068), (362, 2758), (394, 2534), (724, 1379), (788, 1267)]