80828644

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{119569}}^1$

素因数の和:119599

約数の個数: 18

約数和(自身を含む): 153169170

約数和(自身を除く): 72340526

約数列:

[1, 2, 4, 13, 26, 52, 169, 338, 676, 119569, 239138, 478276, 1554397, 3108794, 6217588, 20207161, 40414322, 80828644]

約数ペア:

[(1, 80828644), (2, 40414322), (4, 20207161), (13, 6217588), (26, 3108794), (52, 1554397), (169, 478276), (338, 239138), (676, 119569)]