200980978

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{128669}}^1$

素因数の和:128753

約数の個数: 16

約数和(自身を含む): 333512640

約数和(自身を除く): 132531662

約数列:

[1, 2, 11, 22, 71, 142, 781, 1562, 128669, 257338, 1415359, 2830718, 9135499, 18270998, 100490489, 200980978]

約数ペア:

[(1, 200980978), (2, 100490489), (11, 18270998), (22, 9135499), (71, 2830718), (142, 1415359), (781, 257338), (1562, 128669)]