291255146

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{79}}^1\times {\mathrm{431}}^1$

素因数の和:579

約数の個数: 64

約数和(自身を含む): 557383680

約数和(自身を除く): 266128534

約数列:

[1, 2, 7, 13, 14, 26, 47, 79, 91, 94, 158, 182, 329, 431, 553, 611, 658, 862, 1027, 1106, 1222, 2054, 3017, 3713, 4277, 5603, 6034, 7189, 7426, 8554, 11206, 14378, 20257, 25991, 34049, 39221, 40514, 48269, 51982, 68098, 78442, 96538, 141799, 238343, 263341, 283598, 337883, 442637, 476686, 526682, 675766, 885274, 1600303, 1843387, 3098459, 3200606, 3686774, 6196918, 11202121, 20803939, 22404242, 41607878, 145627573, 291255146]

約数ペア:

[(1, 291255146), (2, 145627573), (7, 41607878), (13, 22404242), (14, 20803939), (26, 11202121), (47, 6196918), (79, 3686774), (91, 3200606), (94, 3098459), (158, 1843387), (182, 1600303), (329, 885274), (431, 675766), (553, 526682), (611, 476686), (658, 442637), (862, 337883), (1027, 283598), (1106, 263341), (1222, 238343), (2054, 141799), (3017, 96538), (3713, 78442), (4277, 68098), (5603, 51982), (6034, 48269), (7189, 40514), (7426, 39221), (8554, 34049), (11206, 25991), (14378, 20257)]