207911278

素因数分解:

$2^1\times {\mathrm{43}}^1\times {\mathrm{439}}^1\times {\mathrm{5507}}^1$

素因数の和:5991

約数の個数: 16

約数和(自身を含む): 319904640

約数和(自身を除く): 111993362

約数列:

[1, 2, 43, 86, 439, 878, 5507, 11014, 18877, 37754, 236801, 473602, 2417573, 4835146, 103955639, 207911278]

約数ペア:

[(1, 207911278), (2, 103955639), (43, 4835146), (86, 2417573), (439, 473602), (878, 236801), (5507, 37754), (11014, 18877)]