28474985

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{73961}}^1$

素因数の和:73984

約数の個数: 16

約数和(自身を含む): 42602112

約数和(自身を除く): 14127127

約数列:

[1, 5, 7, 11, 35, 55, 77, 385, 73961, 369805, 517727, 813571, 2588635, 4067855, 5694997, 28474985]

約数ペア:

[(1, 28474985), (5, 5694997), (7, 4067855), (11, 2588635), (35, 813571), (55, 517727), (77, 369805), (385, 73961)]