218887949

素因数分解:

$7^2\times {\mathrm{449}}^1\times {\mathrm{9949}}^1$

素因数の和:10412

約数の個数: 12

約数和(自身を含む): 255217500

約数和(自身を除く): 36329551

約数列:

[1, 7, 49, 449, 3143, 9949, 22001, 69643, 487501, 4467101, 31269707, 218887949]

約数ペア:

[(1, 218887949), (7, 31269707), (49, 4467101), (449, 487501), (3143, 69643), (9949, 22001)]