1865721984

素因数分解:

$2^7\times 3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{40829}}^1$

素因数の和:40870

約数の個数: 128

約数和(自身を含む): 5997110400

約数和(自身を除く): 4131388416

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 17, 21, 24, 28, 32, 34, 42, 48, 51, 56, 64, 68, 84, 96, 102, 112, 119, 128, 136, 168, 192, 204, 224, 238, 272, 336, 357, 384, 408, 448, 476, 544, 672, 714, 816, 896, 952, 1088, 1344, 1428, 1632, 1904, 2176, 2688, 2856, 3264, 3808, 5712, 6528, 7616, 11424, 15232, 22848, 40829, 45696, 81658, 122487, 163316, 244974, 285803, 326632, 489948, 571606, 653264, 694093, 857409, 979896, 1143212, 1306528, 1388186, 1714818, 1959792, 2082279, 2286424, 2613056, 2776372, 3429636, 3919584, 4164558, 4572848, 4858651, 5226112, 5552744, 6859272, 7839168, 8329116, 9145696, 9717302, 11105488, 13718544, 14575953, 15678336, 16658232, 18291392, 19434604, 22210976, 27437088, 29151906, 33316464, 36582784, 38869208, 44421952, 54874176, 58303812, 66632928, 77738416, 88843904, 109748352, 116607624, 133265856, 155476832, 233215248, 266531712, 310953664, 466430496, 621907328, 932860992, 1865721984]

約数ペア:

[(1, 1865721984), (2, 932860992), (3, 621907328), (4, 466430496), (6, 310953664), (7, 266531712), (8, 233215248), (12, 155476832), (14, 133265856), (16, 116607624), (17, 109748352), (21, 88843904), (24, 77738416), (28, 66632928), (32, 58303812), (34, 54874176), (42, 44421952), (48, 38869208), (51, 36582784), (56, 33316464), (64, 29151906), (68, 27437088), (84, 22210976), (96, 19434604), (102, 18291392), (112, 16658232), (119, 15678336), (128, 14575953), (136, 13718544), (168, 11105488), (192, 9717302), (204, 9145696), (224, 8329116), (238, 7839168), (272, 6859272), (336, 5552744), (357, 5226112), (384, 4858651), (408, 4572848), (448, 4164558), (476, 3919584), (544, 3429636), (672, 2776372), (714, 2613056), (816, 2286424), (896, 2082279), (952, 1959792), (1088, 1714818), (1344, 1388186), (1428, 1306528), (1632, 1143212), (1904, 979896), (2176, 857409), (2688, 694093), (2856, 653264), (3264, 571606), (3808, 489948), (5712, 326632), (6528, 285803), (7616, 244974), (11424, 163316), (15232, 122487), (22848, 81658), (40829, 45696)]