2543149

素因数分解:

$7^2\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1$

素因数の和:145

約数の個数: 24

約数和(自身を含む): 3250368

約数和(自身を除く): 707219

約数列:

[1, 7, 17, 43, 49, 71, 119, 301, 497, 731, 833, 1207, 2107, 3053, 3479, 5117, 8449, 21371, 35819, 51901, 59143, 149597, 363307, 2543149]

約数ペア:

[(1, 2543149), (7, 363307), (17, 149597), (43, 59143), (49, 51901), (71, 35819), (119, 21371), (301, 8449), (497, 5117), (731, 3479), (833, 3053), (1207, 2107)]