207987175

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{20441}}^1$

素因数の和:20499

約数の個数: 24

約数和(自身を含む): 288968112

約数和(自身を除く): 80980937

約数列:

[1, 5, 11, 25, 37, 55, 185, 275, 407, 925, 2035, 10175, 20441, 102205, 224851, 511025, 756317, 1124255, 3781585, 5621275, 8319487, 18907925, 41597435, 207987175]

約数ペア:

[(1, 207987175), (5, 41597435), (11, 18907925), (25, 8319487), (37, 5621275), (55, 3781585), (185, 1124255), (275, 756317), (407, 511025), (925, 224851), (2035, 102205), (10175, 20441)]