211057925

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{12253}}^1$

素因数の和:12329

約数の個数: 24

約数和(自身を含む): 287184744

約数和(自身を除く): 76126819

約数列:

[1, 5, 13, 25, 53, 65, 265, 325, 689, 1325, 3445, 12253, 17225, 61265, 159289, 306325, 649409, 796445, 3247045, 3982225, 8442317, 16235225, 42211585, 211057925]

約数ペア:

[(1, 211057925), (5, 42211585), (13, 16235225), (25, 8442317), (53, 3982225), (65, 3247045), (265, 796445), (325, 649409), (689, 306325), (1325, 159289), (3445, 61265), (12253, 17225)]