81741392

素因数分解:

$2^4\times {\mathrm{383}}^1\times {\mathrm{13339}}^1$

素因数の和:13730

約数の個数: 20

約数和(自身を含む): 158799360

約数和(自身を除く): 77057968

約数列:

[1, 2, 4, 8, 16, 383, 766, 1532, 3064, 6128, 13339, 26678, 53356, 106712, 213424, 5108837, 10217674, 20435348, 40870696, 81741392]

約数ペア:

[(1, 81741392), (2, 40870696), (4, 20435348), (8, 10217674), (16, 5108837), (383, 213424), (766, 106712), (1532, 53356), (3064, 26678), (6128, 13339)]