28771232

素因数分解:

$2^5\times 7^2\times {\mathrm{59}}^1\times {\mathrm{311}}^1$

素因数の和:394

約数の個数: 72

約数和(自身を含む): 67223520

約数和(自身を除く): 38452288

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 59, 98, 112, 118, 196, 224, 236, 311, 392, 413, 472, 622, 784, 826, 944, 1244, 1568, 1652, 1888, 2177, 2488, 2891, 3304, 4354, 4976, 5782, 6608, 8708, 9952, 11564, 13216, 15239, 17416, 18349, 23128, 30478, 34832, 36698, 46256, 60956, 69664, 73396, 92512, 121912, 128443, 146792, 243824, 256886, 293584, 487648, 513772, 587168, 899101, 1027544, 1798202, 2055088, 3596404, 4110176, 7192808, 14385616, 28771232]

約数ペア:

[(1, 28771232), (2, 14385616), (4, 7192808), (7, 4110176), (8, 3596404), (14, 2055088), (16, 1798202), (28, 1027544), (32, 899101), (49, 587168), (56, 513772), (59, 487648), (98, 293584), (112, 256886), (118, 243824), (196, 146792), (224, 128443), (236, 121912), (311, 92512), (392, 73396), (413, 69664), (472, 60956), (622, 46256), (784, 36698), (826, 34832), (944, 30478), (1244, 23128), (1568, 18349), (1652, 17416), (1888, 15239), (2177, 13216), (2488, 11564), (2891, 9952), (3304, 8708), (4354, 6608), (4976, 5782)]