199968724

素因数分解:

$2^2\times {\mathrm{31}}^2\times {\mathrm{52021}}^1$

素因数の和:52087

約数の個数: 18

約数和(自身を含む): 361604922

約数和(自身を除く): 161636198

約数列:

[1, 2, 4, 31, 62, 124, 961, 1922, 3844, 52021, 104042, 208084, 1612651, 3225302, 6450604, 49992181, 99984362, 199968724]

約数ペア:

[(1, 199968724), (2, 99984362), (4, 49992181), (31, 6450604), (62, 3225302), (124, 1612651), (961, 208084), (1922, 104042), (3844, 52021)]