990122518

素因数分解:

$2^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{918481}}^1$

素因数の和:918508

約数の個数: 24

約数和(自身を含む): 1884725064

約数和(自身を除く): 894602546

約数列:

[1, 2, 7, 11, 14, 22, 49, 77, 98, 154, 539, 1078, 918481, 1836962, 6429367, 10103291, 12858734, 20206582, 45005569, 70723037, 90011138, 141446074, 495061259, 990122518]

約数ペア:

[(1, 990122518), (2, 495061259), (7, 141446074), (11, 90011138), (14, 70723037), (22, 45005569), (49, 20206582), (77, 12858734), (98, 10103291), (154, 6429367), (539, 1836962), (1078, 918481)]