28209083

素因数分解:

$7^1\times {\mathrm{29}}^1\times {\mathrm{79}}^1\times {\mathrm{1759}}^1$

素因数の和:1874

約数の個数: 16

約数和(自身を含む): 33792000

約数和(自身を除く): 5582917

約数列:

[1, 7, 29, 79, 203, 553, 1759, 2291, 12313, 16037, 51011, 138961, 357077, 972727, 4029869, 28209083]

約数ペア:

[(1, 28209083), (7, 4029869), (29, 972727), (79, 357077), (203, 138961), (553, 51011), (1759, 16037), (2291, 12313)]