291238339

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{61}}^1\times {\mathrm{757}}^1$

素因数の和:895

約数の個数: 32

約数和(自身を含む): 365440896

約数和(自身を除く): 74202557

約数列:

[1, 7, 17, 53, 61, 119, 371, 427, 757, 901, 1037, 3233, 5299, 6307, 7259, 12869, 22631, 40121, 46177, 54961, 90083, 280847, 323239, 384727, 682057, 785009, 2447381, 4774399, 5495063, 17131667, 41605477, 291238339]

約数ペア:

[(1, 291238339), (7, 41605477), (17, 17131667), (53, 5495063), (61, 4774399), (119, 2447381), (371, 785009), (427, 682057), (757, 384727), (901, 323239), (1037, 280847), (3233, 90083), (5299, 54961), (6307, 46177), (7259, 40121), (12869, 22631)]