289341745

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{353}}^1\times {\mathrm{2129}}^1$

素因数の和:2505

約数の個数: 32

約数和(自身を含む): 434315520

約数和(自身を除く): 144973775

約数列:

[1, 5, 7, 11, 35, 55, 77, 353, 385, 1765, 2129, 2471, 3883, 10645, 12355, 14903, 19415, 23419, 27181, 74515, 117095, 135905, 163933, 751537, 819665, 3757685, 5260759, 8266907, 26303795, 41334535, 57868349, 289341745]

約数ペア:

[(1, 289341745), (5, 57868349), (7, 41334535), (11, 26303795), (35, 8266907), (55, 5260759), (77, 3757685), (353, 819665), (385, 751537), (1765, 163933), (2129, 135905), (2471, 117095), (3883, 74515), (10645, 27181), (12355, 23419), (14903, 19415)]