81554798

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{151}}^1\times {\mathrm{20773}}^1$

素因数の和:20939

約数の個数: 16

約数和(自身を含む): 132621216

約数和(自身を除く): 51066418

約数列:

[1, 2, 13, 26, 151, 302, 1963, 3926, 20773, 41546, 270049, 540098, 3136723, 6273446, 40777399, 81554798]

約数ペア:

[(1, 81554798), (2, 40777399), (13, 6273446), (26, 3136723), (151, 540098), (302, 270049), (1963, 41546), (3926, 20773)]