243491026

素因数分解:

$2^1\times {\mathrm{43}}^1\times {\mathrm{139}}^1\times {\mathrm{20369}}^1$

素因数の和:20553

約数の個数: 16

約数和(自身を含む): 376437600

約数和(自身を除く): 132946574

約数列:

[1, 2, 43, 86, 139, 278, 5977, 11954, 20369, 40738, 875867, 1751734, 2831291, 5662582, 121745513, 243491026]

約数ペア:

[(1, 243491026), (2, 121745513), (43, 5662582), (86, 2831291), (139, 1751734), (278, 875867), (5977, 40738), (11954, 20369)]