56128765

素因数分解:

$5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{353}}^1$

素因数の和:442

約数の個数: 48

約数和(自身を含む): 87168960

約数和(自身を除く): 31040195

約数列:

[1, 5, 7, 11, 35, 49, 55, 59, 77, 245, 295, 353, 385, 413, 539, 649, 1765, 2065, 2471, 2695, 2891, 3245, 3883, 4543, 12355, 14455, 17297, 19415, 20827, 22715, 27181, 31801, 86485, 104135, 135905, 145789, 159005, 190267, 229097, 728945, 951335, 1020523, 1145485, 1603679, 5102615, 8018395, 11225753, 56128765]

約数ペア:

[(1, 56128765), (5, 11225753), (7, 8018395), (11, 5102615), (35, 1603679), (49, 1145485), (55, 1020523), (59, 951335), (77, 728945), (245, 229097), (295, 190267), (353, 159005), (385, 145789), (413, 135905), (539, 104135), (649, 86485), (1765, 31801), (2065, 27181), (2471, 22715), (2695, 20827), (2891, 19415), (3245, 17297), (3883, 14455), (4543, 12355)]