80722004

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{166781}}^1$

素因数の和:166807

約数の個数: 18

約数和(自身を含む): 155274042

約数和(自身を除く): 74552038

約数列:

[1, 2, 4, 11, 22, 44, 121, 242, 484, 166781, 333562, 667124, 1834591, 3669182, 7338364, 20180501, 40361002, 80722004]

約数ペア:

[(1, 80722004), (2, 40361002), (4, 20180501), (11, 7338364), (22, 3669182), (44, 1834591), (121, 667124), (242, 333562), (484, 166781)]