990208578

素因数分解:

$2^1\times 3^1\times {\mathrm{37}}^1\times {\mathrm{4460399}}^1$

素因数の和:4460441

約数の個数: 16

約数和(自身を含む): 2033942400

約数和(自身を除く): 1043733822

約数列:

[1, 2, 3, 6, 37, 74, 111, 222, 4460399, 8920798, 13381197, 26762394, 165034763, 330069526, 495104289, 990208578]

約数ペア:

[(1, 990208578), (2, 495104289), (3, 330069526), (6, 165034763), (37, 26762394), (74, 13381197), (111, 8920798), (222, 4460399)]