28057414

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{223}}^1$

素因数の和:305

約数の個数: 64

約数和(自身を含む): 56770560

約数和(自身を除く): 28713146

約数列:

[1, 2, 7, 11, 14, 19, 22, 38, 43, 77, 86, 133, 154, 209, 223, 266, 301, 418, 446, 473, 602, 817, 946, 1463, 1561, 1634, 2453, 2926, 3122, 3311, 4237, 4906, 5719, 6622, 8474, 8987, 9589, 11438, 17171, 17974, 19178, 29659, 34342, 46607, 59318, 62909, 67123, 93214, 105479, 125818, 134246, 182191, 210958, 326249, 364382, 652498, 738353, 1275337, 1476706, 2004101, 2550674, 4008202, 14028707, 28057414]

約数ペア:

[(1, 28057414), (2, 14028707), (7, 4008202), (11, 2550674), (14, 2004101), (19, 1476706), (22, 1275337), (38, 738353), (43, 652498), (77, 364382), (86, 326249), (133, 210958), (154, 182191), (209, 134246), (223, 125818), (266, 105479), (301, 93214), (418, 67123), (446, 62909), (473, 59318), (602, 46607), (817, 34342), (946, 29659), (1463, 19178), (1561, 17974), (1634, 17171), (2453, 11438), (2926, 9589), (3122, 8987), (3311, 8474), (4237, 6622), (4906, 5719)]