131931611

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{59}}^1$

素因数の和:168

約数の個数: 64

約数和(自身を含む): 182476800

約数和(自身を除く): 50545189

約数列:

[1, 7, 17, 19, 23, 43, 59, 119, 133, 161, 301, 323, 391, 413, 437, 731, 817, 989, 1003, 1121, 1357, 2261, 2537, 2737, 3059, 5117, 5719, 6923, 7021, 7429, 7847, 9499, 13889, 16813, 17759, 18791, 19057, 23069, 25783, 43129, 48203, 52003, 58351, 97223, 117691, 131537, 133399, 161483, 180481, 301903, 319447, 337421, 408457, 438311, 819451, 991967, 1108669, 2236129, 3068177, 5736157, 6943769, 7760683, 18847373, 131931611]

約数ペア:

[(1, 131931611), (7, 18847373), (17, 7760683), (19, 6943769), (23, 5736157), (43, 3068177), (59, 2236129), (119, 1108669), (133, 991967), (161, 819451), (301, 438311), (323, 408457), (391, 337421), (413, 319447), (437, 301903), (731, 180481), (817, 161483), (989, 133399), (1003, 131537), (1121, 117691), (1357, 97223), (2261, 58351), (2537, 52003), (2737, 48203), (3059, 43129), (5117, 25783), (5719, 23069), (6923, 19057), (7021, 18791), (7429, 17759), (7847, 16813), (9499, 13889)]