31913222

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{20431}}^1$

素因数の和:20515

約数の個数: 16

約数和(自身を含む): 52959744

約数和(自身を除く): 21046522

約数列:

[1, 2, 11, 22, 71, 142, 781, 1562, 20431, 40862, 224741, 449482, 1450601, 2901202, 15956611, 31913222]

約数ペア:

[(1, 31913222), (2, 15956611), (11, 2901202), (22, 1450601), (71, 449482), (142, 224741), (781, 40862), (1562, 20431)]