204622

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{131}}^1$

素因数の和:215

約数の個数: 16

約数和(自身を含む): 342144

約数和(自身を除く): 137522

約数列:

[1, 2, 11, 22, 71, 131, 142, 262, 781, 1441, 1562, 2882, 9301, 18602, 102311, 204622]

約数ペア:

[(1, 204622), (2, 102311), (11, 18602), (22, 9301), (71, 2882), (131, 1562), (142, 1441), (262, 781)]