131879804

素因数分解:

$2^2\times 7^1\times {\mathrm{61}}^1\times {\mathrm{77213}}^1$

素因数の和:77285

約数の個数: 24

約数和(自身を含む): 268087008

約数和(自身を除く): 136207204

約数列:

[1, 2, 4, 7, 14, 28, 61, 122, 244, 427, 854, 1708, 77213, 154426, 308852, 540491, 1080982, 2161964, 4709993, 9419986, 18839972, 32969951, 65939902, 131879804]

約数ペア:

[(1, 131879804), (2, 65939902), (4, 32969951), (7, 18839972), (14, 9419986), (28, 4709993), (61, 2161964), (122, 1080982), (244, 540491), (427, 308852), (854, 154426), (1708, 77213)]