81709103636

素因数分解:

$2^2\times {\mathrm{109}}^1\times {\mathrm{187406201}}^1$

素因数の和:187406314

約数の個数: 12

約数和(自身を含む): 144302775540

約数和(自身を除く): 62593671904

約数列:

[1, 2, 4, 109, 218, 436, 187406201, 374812402, 749624804, 20427275909, 40854551818, 81709103636]

約数ペア:

[(1, 81709103636), (2, 40854551818), (4, 20427275909), (109, 749624804), (218, 374812402), (436, 187406201)]