80291281

素因数分解:

$7^1\times {\mathrm{103}}^1\times {\mathrm{193}}^1\times {\mathrm{577}}^1$

素因数の和:880

約数の個数: 16

約数和(自身を含む): 93293824

約数和(自身を除く): 13002543

約数列:

[1, 7, 103, 193, 577, 721, 1351, 4039, 19879, 59431, 111361, 139153, 416017, 779527, 11470183, 80291281]

約数ペア:

[(1, 80291281), (7, 11470183), (103, 779527), (193, 416017), (577, 139153), (721, 111361), (1351, 59431), (4039, 19879)]