207646925

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{311}}^1\times {\mathrm{1571}}^1$

素因数の和:1909

約数の個数: 24

約数和(自身を含む): 273678912

約数和(自身を除く): 66031987

約数列:

[1, 5, 17, 25, 85, 311, 425, 1555, 1571, 5287, 7775, 7855, 26435, 26707, 39275, 132175, 133535, 488581, 667675, 2442905, 8305877, 12214525, 41529385, 207646925]

約数ペア:

[(1, 207646925), (5, 41529385), (17, 12214525), (25, 8305877), (85, 2442905), (311, 667675), (425, 488581), (1555, 133535), (1571, 132175), (5287, 39275), (7775, 26707), (7855, 26435)]