87765766

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{199}}^1\times {\mathrm{20047}}^1$

素因数の和:20259

約数の個数: 16

約数和(自身を含む): 144345600

約数和(自身を除く): 56579834

約数列:

[1, 2, 11, 22, 199, 398, 2189, 4378, 20047, 40094, 220517, 441034, 3989353, 7978706, 43882883, 87765766]

約数ペア:

[(1, 87765766), (2, 43882883), (11, 7978706), (22, 3989353), (199, 441034), (398, 220517), (2189, 40094), (4378, 20047)]