2181744

素因数分解:

$2^4\times 3^2\times {\mathrm{109}}^1\times {\mathrm{139}}^1$

素因数の和:262

約数の個数: 60

約数和(自身を含む): 6206200

約数和(自身を除く): 4024456

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 109, 139, 144, 218, 278, 327, 417, 436, 556, 654, 834, 872, 981, 1112, 1251, 1308, 1668, 1744, 1962, 2224, 2502, 2616, 3336, 3924, 5004, 5232, 6672, 7848, 10008, 15151, 15696, 20016, 30302, 45453, 60604, 90906, 121208, 136359, 181812, 242416, 272718, 363624, 545436, 727248, 1090872, 2181744]

約数ペア:

[(1, 2181744), (2, 1090872), (3, 727248), (4, 545436), (6, 363624), (8, 272718), (9, 242416), (12, 181812), (16, 136359), (18, 121208), (24, 90906), (36, 60604), (48, 45453), (72, 30302), (109, 20016), (139, 15696), (144, 15151), (218, 10008), (278, 7848), (327, 6672), (417, 5232), (436, 5004), (556, 3924), (654, 3336), (834, 2616), (872, 2502), (981, 2224), (1112, 1962), (1251, 1744), (1308, 1668)]