206593457

素因数分解:

$7^2\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{1381}}^1$

素因数の和:1509

約数の個数: 24

約数和(自身を含む): 249556032

約数和(自身を除く): 42962575

約数列:

[1, 7, 43, 49, 71, 301, 497, 1381, 2107, 3053, 3479, 9667, 21371, 59383, 67669, 98051, 149597, 415681, 686357, 2909767, 4216193, 4804499, 29513351, 206593457]

約数ペア:

[(1, 206593457), (7, 29513351), (43, 4804499), (49, 4216193), (71, 2909767), (301, 686357), (497, 415681), (1381, 149597), (2107, 98051), (3053, 67669), (3479, 59383), (9667, 21371)]