28754376

素因数分解:

$2^3\times 3^1\times 7^4\times {\mathrm{499}}^1$

素因数の和:536

約数の個数: 80

約数和(自身を含む): 84030000

約数和(自身を除く): 55275624

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 49, 56, 84, 98, 147, 168, 196, 294, 343, 392, 499, 588, 686, 998, 1029, 1176, 1372, 1497, 1996, 2058, 2401, 2744, 2994, 3493, 3992, 4116, 4802, 5988, 6986, 7203, 8232, 9604, 10479, 11976, 13972, 14406, 19208, 20958, 24451, 27944, 28812, 41916, 48902, 57624, 73353, 83832, 97804, 146706, 171157, 195608, 293412, 342314, 513471, 586824, 684628, 1026942, 1198099, 1369256, 2053884, 2396198, 3594297, 4107768, 4792396, 7188594, 9584792, 14377188, 28754376]

約数ペア:

[(1, 28754376), (2, 14377188), (3, 9584792), (4, 7188594), (6, 4792396), (7, 4107768), (8, 3594297), (12, 2396198), (14, 2053884), (21, 1369256), (24, 1198099), (28, 1026942), (42, 684628), (49, 586824), (56, 513471), (84, 342314), (98, 293412), (147, 195608), (168, 171157), (196, 146706), (294, 97804), (343, 83832), (392, 73353), (499, 57624), (588, 48902), (686, 41916), (998, 28812), (1029, 27944), (1176, 24451), (1372, 20958), (1497, 19208), (1996, 14406), (2058, 13972), (2401, 11976), (2744, 10479), (2994, 9604), (3493, 8232), (3992, 7203), (4116, 6986), (4802, 5988)]