268509078

素因数分解:

$2^1\times 3^2\times {\mathrm{71}}^1\times {\mathrm{210101}}^1$

素因数の和:210180

約数の個数: 24

約数和(自身を含む): 589966416

約数和(自身を除く): 321457338

約数列:

[1, 2, 3, 6, 9, 18, 71, 142, 213, 426, 639, 1278, 210101, 420202, 630303, 1260606, 1890909, 3781818, 14917171, 29834342, 44751513, 89503026, 134254539, 268509078]

約数ペア:

[(1, 268509078), (2, 134254539), (3, 89503026), (6, 44751513), (9, 29834342), (18, 14917171), (71, 3781818), (142, 1890909), (213, 1260606), (426, 630303), (639, 420202), (1278, 210101)]