80778364

素因数分解:

$2^2\times {\mathrm{41}}^1\times {\mathrm{492551}}^1$

素因数の和:492596

約数の個数: 12

約数和(自身を含む): 144810288

約数和(自身を除く): 64031924

約数列:

[1, 2, 4, 41, 82, 164, 492551, 985102, 1970204, 20194591, 40389182, 80778364]

約数ペア:

[(1, 80778364), (2, 40389182), (4, 20194591), (41, 1970204), (82, 985102), (164, 492551)]