157219856

素因数分解:

$2^4\times {\mathrm{109}}^1\times {\mathrm{90149}}^1$

素因数の和:90266

約数の個数: 20

約数和(自身を含む): 307411500

約数和(自身を除く): 150191644

約数列:

[1, 2, 4, 8, 16, 109, 218, 436, 872, 1744, 90149, 180298, 360596, 721192, 1442384, 9826241, 19652482, 39304964, 78609928, 157219856]

約数ペア:

[(1, 157219856), (2, 78609928), (4, 39304964), (8, 19652482), (16, 9826241), (109, 1442384), (218, 721192), (436, 360596), (872, 180298), (1744, 90149)]