409244

素因数分解:

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

素因数の和:217

約数の個数: 24

約数和(自身を含む): 798336

約数和(自身を除く): 389092

約数列:

[1, 2, 4, 11, 22, 44, 71, 131, 142, 262, 284, 524, 781, 1441, 1562, 2882, 3124, 5764, 9301, 18602, 37204, 102311, 204622, 409244]

約数ペア:

[(1, 409244), (2, 204622), (4, 102311), (11, 37204), (22, 18602), (44, 9301), (71, 5764), (131, 3124), (142, 2882), (262, 1562), (284, 1441), (524, 781)]