64690241

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{257}}^1\times {\mathrm{467}}^1$

素因数の和:749

約数の個数: 24

約数和(自身を含む): 82588896

約数和(自身を除く): 17898655

約数列:

[1, 7, 11, 49, 77, 257, 467, 539, 1799, 2827, 3269, 5137, 12593, 19789, 22883, 35959, 120019, 138523, 251713, 840133, 1320209, 5880931, 9241463, 64690241]

約数ペア:

[(1, 64690241), (7, 9241463), (11, 5880931), (49, 1320209), (77, 840133), (257, 251713), (467, 138523), (539, 120019), (1799, 35959), (2827, 22883), (3269, 19789), (5137, 12593)]