215042612

素因数分解:

$2^2\times {\mathrm{109}}^1\times {\mathrm{493217}}^1$

素因数の和:493330

約数の個数: 12

約数和(自身を含む): 379777860

約数和(自身を除く): 164735248

約数列:

[1, 2, 4, 109, 218, 436, 493217, 986434, 1972868, 53760653, 107521306, 215042612]

約数ペア:

[(1, 215042612), (2, 107521306), (4, 53760653), (109, 1972868), (218, 986434), (436, 493217)]