30991862

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{199}}^1\times {\mathrm{7079}}^1$

素因数の和:7291

約数の個数: 16

約数和(自身を含む): 50976000

約数和(自身を除く): 19984138

約数列:

[1, 2, 11, 22, 199, 398, 2189, 4378, 7079, 14158, 77869, 155738, 1408721, 2817442, 15495931, 30991862]

約数ペア:

[(1, 30991862), (2, 15495931), (11, 2817442), (22, 1408721), (199, 155738), (398, 77869), (2189, 14158), (4378, 7079)]