998049157

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{157}}^1\times {\mathrm{47797}}^1$

素因数の和:47980

約数の個数: 16

約数和(自身を含む): 1208333440

約数和(自身を除く): 210284283

約数列:

[1, 7, 19, 133, 157, 1099, 2983, 20881, 47797, 334579, 908143, 6357001, 7504129, 52528903, 142578451, 998049157]

約数ペア:

[(1, 998049157), (7, 142578451), (19, 52528903), (133, 7504129), (157, 6357001), (1099, 908143), (2983, 334579), (20881, 47797)]