13237889

素因数分解:

$7^2\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{241}}^1$

素因数の和:333

約数の個数: 24

約数和(自身を含む): 16552800

約数和(自身を除く): 3314911

約数列:

[1, 7, 19, 49, 59, 133, 241, 413, 931, 1121, 1687, 2891, 4579, 7847, 11809, 14219, 32053, 54929, 99533, 224371, 270161, 696731, 1891127, 13237889]

約数ペア:

[(1, 13237889), (7, 1891127), (19, 696731), (49, 270161), (59, 224371), (133, 99533), (241, 54929), (413, 32053), (931, 14219), (1121, 11809), (1687, 7847), (2891, 4579)]