378979909

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{3121}}^1$

素因数の和:3241

約数の個数: 32

約数和(自身を含む): 503516160

約数和(自身を除く): 124536251

約数列:

[1, 7, 11, 19, 77, 83, 133, 209, 581, 913, 1463, 1577, 3121, 6391, 11039, 17347, 21847, 34331, 59299, 121429, 240317, 259043, 415093, 652289, 1813301, 2849473, 4566023, 4921817, 19946311, 34452719, 54139987, 378979909]

約数ペア:

[(1, 378979909), (7, 54139987), (11, 34452719), (19, 19946311), (77, 4921817), (83, 4566023), (133, 2849473), (209, 1813301), (581, 652289), (913, 415093), (1463, 259043), (1577, 240317), (3121, 121429), (6391, 59299), (11039, 34331), (17347, 21847)]