690542644

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{1426741}}^1$

素因数の和:1426767

約数の個数: 18

約数和(自身を含む): 1328296802

約数和(自身を除く): 637754158

約数列:

[1, 2, 4, 11, 22, 44, 121, 242, 484, 1426741, 2853482, 5706964, 15694151, 31388302, 62776604, 172635661, 345271322, 690542644]

約数ペア:

[(1, 690542644), (2, 345271322), (4, 172635661), (11, 62776604), (22, 31388302), (44, 15694151), (121, 5706964), (242, 2853482), (484, 1426741)]