647041248

素因数分解:

$2^5\times 3^2\times 7^1\times {\mathrm{320953}}^1$

素因数の和:320976

約数の個数: 72

約数和(自身を含む): 2102890608

約数和(自身を除く): 1455849360

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 32, 36, 42, 48, 56, 63, 72, 84, 96, 112, 126, 144, 168, 224, 252, 288, 336, 504, 672, 1008, 2016, 320953, 641906, 962859, 1283812, 1925718, 2246671, 2567624, 2888577, 3851436, 4493342, 5135248, 5777154, 6740013, 7702872, 8986684, 10270496, 11554308, 13480026, 15405744, 17973368, 20220039, 23108616, 26960052, 30811488, 35946736, 40440078, 46217232, 53920104, 71893472, 80880156, 92434464, 107840208, 161760312, 215680416, 323520624, 647041248]

約数ペア:

[(1, 647041248), (2, 323520624), (3, 215680416), (4, 161760312), (6, 107840208), (7, 92434464), (8, 80880156), (9, 71893472), (12, 53920104), (14, 46217232), (16, 40440078), (18, 35946736), (21, 30811488), (24, 26960052), (28, 23108616), (32, 20220039), (36, 17973368), (42, 15405744), (48, 13480026), (56, 11554308), (63, 10270496), (72, 8986684), (84, 7702872), (96, 6740013), (112, 5777154), (126, 5135248), (144, 4493342), (168, 3851436), (224, 2888577), (252, 2567624), (288, 2246671), (336, 1925718), (504, 1283812), (672, 962859), (1008, 641906), (2016, 320953)]