217855099

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{151}}^1\times {\mathrm{457}}^1$

素因数の和:667

約数の個数: 32

約数和(自身を含む): 280691712

約数和(自身を除く): 62836613

約数列:

[1, 7, 11, 41, 77, 151, 287, 451, 457, 1057, 1661, 3157, 3199, 5027, 6191, 11627, 18737, 35189, 43337, 68101, 69007, 131159, 206107, 476707, 483049, 759077, 1442749, 2829287, 5313539, 19805009, 31122157, 217855099]

約数ペア:

[(1, 217855099), (7, 31122157), (11, 19805009), (41, 5313539), (77, 2829287), (151, 1442749), (287, 759077), (451, 483049), (457, 476707), (1057, 206107), (1661, 131159), (3157, 69007), (3199, 68101), (5027, 43337), (6191, 35189), (11627, 18737)]