80491663628

素因数分解:

$2^2\times {\mathrm{41}}^1\times {\mathrm{490802827}}^1$

素因数の和:490802872

約数の個数: 12

約数和(自身を含む): 144296031432

約数和(自身を除く): 63804367804

約数列:

[1, 2, 4, 41, 82, 164, 490802827, 981605654, 1963211308, 20122915907, 40245831814, 80491663628]

約数ペア:

[(1, 80491663628), (2, 40245831814), (4, 20122915907), (41, 1963211308), (82, 981605654), (164, 490802827)]