28147952

素因数分解:

$2^4\times 7^3\times {\mathrm{23}}^1\times {\mathrm{223}}^1$

素因数の和:275

約数の個数: 80

約数和(自身を含む): 66662400

約数和(自身を除く): 38514448

約数列:

[1, 2, 4, 7, 8, 14, 16, 23, 28, 46, 49, 56, 92, 98, 112, 161, 184, 196, 223, 322, 343, 368, 392, 446, 644, 686, 784, 892, 1127, 1288, 1372, 1561, 1784, 2254, 2576, 2744, 3122, 3568, 4508, 5129, 5488, 6244, 7889, 9016, 10258, 10927, 12488, 15778, 18032, 20516, 21854, 24976, 31556, 35903, 41032, 43708, 63112, 71806, 76489, 82064, 87416, 126224, 143612, 152978, 174832, 251321, 287224, 305956, 502642, 574448, 611912, 1005284, 1223824, 1759247, 2010568, 3518494, 4021136, 7036988, 14073976, 28147952]

約数ペア:

[(1, 28147952), (2, 14073976), (4, 7036988), (7, 4021136), (8, 3518494), (14, 2010568), (16, 1759247), (23, 1223824), (28, 1005284), (46, 611912), (49, 574448), (56, 502642), (92, 305956), (98, 287224), (112, 251321), (161, 174832), (184, 152978), (196, 143612), (223, 126224), (322, 87416), (343, 82064), (368, 76489), (392, 71806), (446, 63112), (644, 43708), (686, 41032), (784, 35903), (892, 31556), (1127, 24976), (1288, 21854), (1372, 20516), (1561, 18032), (1784, 15778), (2254, 12488), (2576, 10927), (2744, 10258), (3122, 9016), (3568, 7889), (4508, 6244), (5129, 5488)]