13026307

素因数分解:

$7^2\times {\mathrm{29}}^1\times {\mathrm{89}}^1\times {\mathrm{103}}^1$

素因数の和:235

約数の個数: 24

約数和(自身を含む): 16005600

約数和(自身を除く): 2979293

約数列:

[1, 7, 29, 49, 89, 103, 203, 623, 721, 1421, 2581, 2987, 4361, 5047, 9167, 18067, 20909, 64169, 126469, 146363, 265843, 449183, 1860901, 13026307]

約数ペア:

[(1, 13026307), (7, 1860901), (29, 449183), (49, 265843), (89, 146363), (103, 126469), (203, 64169), (623, 20909), (721, 18067), (1421, 9167), (2581, 5047), (2987, 4361)]