209215888

素因数分解:

$2^4\times 7^2\times {\mathrm{59}}^1\times {\mathrm{4523}}^1$

素因数の和:4604

約数の個数: 60

約数和(自身を含む): 479634480

約数和(自身を除く): 270418592

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 49, 56, 59, 98, 112, 118, 196, 236, 392, 413, 472, 784, 826, 944, 1652, 2891, 3304, 4523, 5782, 6608, 9046, 11564, 18092, 23128, 31661, 36184, 46256, 63322, 72368, 126644, 221627, 253288, 266857, 443254, 506576, 533714, 886508, 1067428, 1773016, 1867999, 2134856, 3546032, 3735998, 4269712, 7471996, 13075993, 14943992, 26151986, 29887984, 52303972, 104607944, 209215888]

約数ペア:

[(1, 209215888), (2, 104607944), (4, 52303972), (7, 29887984), (8, 26151986), (14, 14943992), (16, 13075993), (28, 7471996), (49, 4269712), (56, 3735998), (59, 3546032), (98, 2134856), (112, 1867999), (118, 1773016), (196, 1067428), (236, 886508), (392, 533714), (413, 506576), (472, 443254), (784, 266857), (826, 253288), (944, 221627), (1652, 126644), (2891, 72368), (3304, 63322), (4523, 46256), (5782, 36184), (6608, 31661), (9046, 23128), (11564, 18092)]