1991568059999

素因数分解:

$7^1\times {\mathrm{103}}^1\times {\mathrm{82153}}^1\times {\mathrm{33623}}^1$

素因数の和:115886

約数の個数: 16

約数和(自身を含む): 2298271951872

約数和(自身を除く): 306703891873

約数列:

[1, 7, 103, 721, 33623, 82153, 235361, 575071, 3463169, 8461759, 24242183, 59232313, 2762230319, 19335612233, 284509722857, 1991568059999]

約数ペア:

[(1, 1991568059999), (7, 284509722857), (103, 19335612233), (721, 2762230319), (33623, 59232313), (82153, 24242183), (235361, 8461759), (575071, 3463169)]