40559981

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{199}}^1\times {\mathrm{2647}}^1$

素因数の和:2864

約数の個数: 16

約数和(自身を含む): 50841600

約数和(自身を除く): 10281619

約数列:

[1, 7, 11, 77, 199, 1393, 2189, 2647, 15323, 18529, 29117, 203819, 526753, 3687271, 5794283, 40559981]

約数ペア:

[(1, 40559981), (7, 5794283), (11, 3687271), (77, 526753), (199, 203819), (1393, 29117), (2189, 18529), (2647, 15323)]