205871275

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{21061}}^1$

素因数の和:21111

約数の個数: 24

約数和(自身を含む): 282062304

約数和(自身を除く): 76191029

約数列:

[1, 5, 17, 23, 25, 85, 115, 391, 425, 575, 1955, 9775, 21061, 105305, 358037, 484403, 526525, 1790185, 2422015, 8234851, 8950925, 12110075, 41174255, 205871275]

約数ペア:

[(1, 205871275), (5, 41174255), (17, 12110075), (23, 8950925), (25, 8234851), (85, 2422015), (115, 1790185), (391, 526525), (425, 484403), (575, 358037), (1955, 105305), (9775, 21061)]