128502143

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{281}}^1\times {\mathrm{5939}}^1$

素因数の和:6238

約数の個数: 16

約数和(自身を含む): 160807680

約数和(自身を除く): 32305537

約数列:

[1, 7, 11, 77, 281, 1967, 3091, 5939, 21637, 41573, 65329, 457303, 1668859, 11682013, 18357449, 128502143]

約数ペア:

[(1, 128502143), (7, 18357449), (11, 11682013), (77, 1668859), (281, 457303), (1967, 65329), (3091, 41573), (5939, 21637)]