208765986

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{149}}^1$

素因数の和:272

約数の個数: 128

約数和(自身を含む): 522547200

約数和(自身を除く): 313781214

約数列:

[1, 2, 3, 6, 11, 13, 22, 23, 26, 33, 39, 46, 66, 69, 71, 78, 138, 142, 143, 149, 213, 253, 286, 298, 299, 426, 429, 447, 506, 598, 759, 781, 858, 894, 897, 923, 1518, 1562, 1633, 1639, 1794, 1846, 1937, 2343, 2769, 3266, 3278, 3289, 3427, 3874, 4686, 4899, 4917, 5538, 5811, 6578, 6854, 9798, 9834, 9867, 10153, 10281, 10579, 11622, 17963, 19734, 20306, 20562, 21158, 21229, 21307, 30459, 31737, 35926, 37697, 42458, 42614, 44551, 53889, 60918, 63474, 63687, 63921, 75394, 89102, 107778, 113091, 116369, 127374, 127842, 133653, 137527, 226182, 232738, 233519, 243317, 267306, 275054, 349107, 412581, 467038, 486634, 490061, 698214, 700557, 729951, 825162, 980122, 1401114, 1459902, 1470183, 1512797, 2676487, 2940366, 3025594, 3163121, 4538391, 5352974, 6326242, 8029461, 9076782, 9489363, 16058922, 18978726, 34794331, 69588662, 104382993, 208765986]

約数ペア:

[(1, 208765986), (2, 104382993), (3, 69588662), (6, 34794331), (11, 18978726), (13, 16058922), (22, 9489363), (23, 9076782), (26, 8029461), (33, 6326242), (39, 5352974), (46, 4538391), (66, 3163121), (69, 3025594), (71, 2940366), (78, 2676487), (138, 1512797), (142, 1470183), (143, 1459902), (149, 1401114), (213, 980122), (253, 825162), (286, 729951), (298, 700557), (299, 698214), (426, 490061), (429, 486634), (447, 467038), (506, 412581), (598, 349107), (759, 275054), (781, 267306), (858, 243317), (894, 233519), (897, 232738), (923, 226182), (1518, 137527), (1562, 133653), (1633, 127842), (1639, 127374), (1794, 116369), (1846, 113091), (1937, 107778), (2343, 89102), (2769, 75394), (3266, 63921), (3278, 63687), (3289, 63474), (3427, 60918), (3874, 53889), (4686, 44551), (4899, 42614), (4917, 42458), (5538, 37697), (5811, 35926), (6578, 31737), (6854, 30459), (9798, 21307), (9834, 21229), (9867, 21158), (10153, 20562), (10281, 20306), (10579, 19734), (11622, 17963)]