28771855

素因数分解:

$5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{11261}}^1$

素因数の和:11346

約数の個数: 16

約数和(自身を含む): 40002624

約数和(自身を除く): 11230769

約数列:

[1, 5, 7, 35, 73, 365, 511, 2555, 11261, 56305, 78827, 394135, 822053, 4110265, 5754371, 28771855]

約数ペア:

[(1, 28771855), (5, 5754371), (7, 4110265), (35, 822053), (73, 394135), (365, 78827), (511, 56305), (2555, 11261)]