257812296

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{103}}^1\times {\mathrm{317}}^1$

素因数の和:483

約数の個数: 128

約数和(自身を含む): 761978880

約数和(自身を除く): 504166584

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 47, 56, 84, 94, 103, 141, 168, 188, 206, 282, 309, 317, 329, 376, 412, 564, 618, 634, 658, 721, 824, 951, 987, 1128, 1236, 1268, 1316, 1442, 1902, 1974, 2163, 2219, 2472, 2536, 2632, 2884, 3804, 3948, 4326, 4438, 4841, 5768, 6657, 7608, 7896, 8652, 8876, 9682, 13314, 14523, 14899, 17304, 17752, 19364, 26628, 29046, 29798, 32651, 33887, 38728, 44697, 53256, 58092, 59596, 65302, 67774, 89394, 97953, 101661, 104293, 116184, 119192, 130604, 135548, 178788, 195906, 203322, 208586, 228557, 261208, 271096, 312879, 357576, 391812, 406644, 417172, 457114, 625758, 685671, 783624, 813288, 834344, 914228, 1251516, 1371342, 1534597, 1828456, 2503032, 2742684, 3069194, 4603791, 5485368, 6138388, 9207582, 10742179, 12276776, 18415164, 21484358, 32226537, 36830328, 42968716, 64453074, 85937432, 128906148, 257812296]

約数ペア:

[(1, 257812296), (2, 128906148), (3, 85937432), (4, 64453074), (6, 42968716), (7, 36830328), (8, 32226537), (12, 21484358), (14, 18415164), (21, 12276776), (24, 10742179), (28, 9207582), (42, 6138388), (47, 5485368), (56, 4603791), (84, 3069194), (94, 2742684), (103, 2503032), (141, 1828456), (168, 1534597), (188, 1371342), (206, 1251516), (282, 914228), (309, 834344), (317, 813288), (329, 783624), (376, 685671), (412, 625758), (564, 457114), (618, 417172), (634, 406644), (658, 391812), (721, 357576), (824, 312879), (951, 271096), (987, 261208), (1128, 228557), (1236, 208586), (1268, 203322), (1316, 195906), (1442, 178788), (1902, 135548), (1974, 130604), (2163, 119192), (2219, 116184), (2472, 104293), (2536, 101661), (2632, 97953), (2884, 89394), (3804, 67774), (3948, 65302), (4326, 59596), (4438, 58092), (4841, 53256), (5768, 44697), (6657, 38728), (7608, 33887), (7896, 32651), (8652, 29798), (8876, 29046), (9682, 26628), (13314, 19364), (14523, 17752), (14899, 17304)]