278319602

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{1150081}}^1$

素因数の和:1150105

約数の個数: 12

約数和(自身を含む): 458882718

約数和(自身を除く): 180563116

約数列:

[1, 2, 11, 22, 121, 242, 1150081, 2300162, 12650891, 25301782, 139159801, 278319602]

約数ペア:

[(1, 278319602), (2, 139159801), (11, 25301782), (22, 12650891), (121, 2300162), (242, 1150081)]