990157852

素因数分解:

$2^2\times {\mathrm{251}}^1\times {\mathrm{986213}}^1$

素因数の和:986468

約数の個数: 12

約数和(自身を含む): 1739681496

約数和(自身を除く): 749523644

約数列:

[1, 2, 4, 251, 502, 1004, 986213, 1972426, 3944852, 247539463, 495078926, 990157852]

約数ペア:

[(1, 990157852), (2, 495078926), (4, 247539463), (251, 3944852), (502, 1972426), (1004, 986213)]