211854350785

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{643}}^1\times {\mathrm{855787}}^1$

素因数の和:856453

約数の個数: 32

約数和(自身を含む): 317449423872

約数和(自身を除く): 105595073087

約数列:

[1, 5, 7, 11, 35, 55, 77, 385, 643, 3215, 4501, 7073, 22505, 35365, 49511, 247555, 855787, 4278935, 5990509, 9413657, 29952545, 47068285, 65895599, 329477995, 550271041, 2751355205, 3851897287, 6052981451, 19259486435, 30264907255, 42370870157, 211854350785]

約数ペア:

[(1, 211854350785), (5, 42370870157), (7, 30264907255), (11, 19259486435), (35, 6052981451), (55, 3851897287), (77, 2751355205), (385, 550271041), (643, 329477995), (3215, 65895599), (4501, 47068285), (7073, 29952545), (22505, 9413657), (35365, 5990509), (49511, 4278935), (247555, 855787)]