28587852

素因数分解:

$2^2\times 3^2\times {\mathrm{29}}^1\times {\mathrm{139}}^1\times {\mathrm{197}}^1$

素因数の和:375

約数の個数: 72

約数和(自身を含む): 75675600

約数和(自身を除く): 47087748

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 29, 36, 58, 87, 116, 139, 174, 197, 261, 278, 348, 394, 417, 522, 556, 591, 788, 834, 1044, 1182, 1251, 1668, 1773, 2364, 2502, 3546, 4031, 5004, 5713, 7092, 8062, 11426, 12093, 16124, 17139, 22852, 24186, 27383, 34278, 36279, 48372, 51417, 54766, 68556, 72558, 82149, 102834, 109532, 145116, 164298, 205668, 246447, 328596, 492894, 794107, 985788, 1588214, 2382321, 3176428, 4764642, 7146963, 9529284, 14293926, 28587852]

約数ペア:

[(1, 28587852), (2, 14293926), (3, 9529284), (4, 7146963), (6, 4764642), (9, 3176428), (12, 2382321), (18, 1588214), (29, 985788), (36, 794107), (58, 492894), (87, 328596), (116, 246447), (139, 205668), (174, 164298), (197, 145116), (261, 109532), (278, 102834), (348, 82149), (394, 72558), (417, 68556), (522, 54766), (556, 51417), (591, 48372), (788, 36279), (834, 34278), (1044, 27383), (1182, 24186), (1251, 22852), (1668, 17139), (1773, 16124), (2364, 12093), (2502, 11426), (3546, 8062), (4031, 7092), (5004, 5713)]