205758415

素因数分解:

$5^1\times {\mathrm{127}}^1\times {\mathrm{173}}^1\times {\mathrm{1873}}^1$

素因数の和:2178

約数の個数: 16

約数和(自身を含む): 250426368

約数和(自身を除く): 44667953

約数列:

[1, 5, 127, 173, 635, 865, 1873, 9365, 21971, 109855, 237871, 324029, 1189355, 1620145, 41151683, 205758415]

約数ペア:

[(1, 205758415), (5, 41151683), (127, 1620145), (173, 1189355), (635, 324029), (865, 237871), (1873, 109855), (9365, 21971)]