208021163

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{28657}}^1$

素因数の和:28742

約数の個数: 16

約数和(自身を含む): 255858624

約数和(自身を除く): 47837461

約数列:

[1, 7, 17, 61, 119, 427, 1037, 7259, 28657, 200599, 487169, 1748077, 3410183, 12236539, 29717309, 208021163]

約数ペア:

[(1, 208021163), (7, 29717309), (17, 12236539), (61, 3410183), (119, 1748077), (427, 487169), (1037, 200599), (7259, 28657)]