2157869

素因数分解:

$7^1\times {\mathrm{43}}^1\times {\mathrm{67}}^1\times {\mathrm{107}}^1$

素因数の和:224

約数の個数: 16

約数和(自身を含む): 2585088

約数和(自身を除く): 427219

約数列:

[1, 7, 43, 67, 107, 301, 469, 749, 2881, 4601, 7169, 20167, 32207, 50183, 308267, 2157869]

約数ペア:

[(1, 2157869), (7, 308267), (43, 50183), (67, 32207), (107, 20167), (301, 7169), (469, 4601), (749, 2881)]