208028513

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{59}}^1\times {\mathrm{1579}}^1$

素因数の和:1685

約数の個数: 32

約数和(自身を含む): 273024000

約数和(自身を除く): 64995487

約数列:

[1, 7, 11, 29, 59, 77, 203, 319, 413, 649, 1579, 1711, 2233, 4543, 11053, 11977, 17369, 18821, 45791, 93161, 121583, 131747, 320537, 503701, 652127, 1024771, 2701669, 3525907, 7173397, 18911683, 29718359, 208028513]

約数ペア:

[(1, 208028513), (7, 29718359), (11, 18911683), (29, 7173397), (59, 3525907), (77, 2701669), (203, 1024771), (319, 652127), (413, 503701), (649, 320537), (1579, 131747), (1711, 121583), (2233, 93161), (4543, 45791), (11053, 18821), (11977, 17369)]