1288396805

素因数分解:

$5^1\times {\mathrm{251}}^1\times {\mathrm{311}}^1\times {\mathrm{3301}}^1$

素因数の和:3868

約数の個数: 16

約数和(自身を含む): 1557698688

約数和(自身を除く): 269301883

約数列:

[1, 5, 251, 311, 1255, 1555, 3301, 16505, 78061, 390305, 828551, 1026611, 4142755, 5133055, 257679361, 1288396805]

約数ペア:

[(1, 1288396805), (5, 257679361), (251, 5133055), (311, 4142755), (1255, 1026611), (1555, 828551), (3301, 390305), (16505, 78061)]