138489025

素因数分解:

$5^2\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{2741}}^1$

素因数の和:2841

約数の個数: 24

約数和(自身を含む): 179524224

約数和(自身を除く): 41035199

約数列:

[1, 5, 25, 43, 47, 215, 235, 1075, 1175, 2021, 2741, 10105, 13705, 50525, 68525, 117863, 128827, 589315, 644135, 2946575, 3220675, 5539561, 27697805, 138489025]

約数ペア:

[(1, 138489025), (5, 27697805), (25, 5539561), (43, 3220675), (47, 2946575), (215, 644135), (235, 589315), (1075, 128827), (1175, 117863), (2021, 68525), (2741, 50525), (10105, 13705)]