12879265

素因数分解:

$5^1\times 7^1\times {\mathrm{53}}^2\times {\mathrm{131}}^1$

素因数の和:249

約数の個数: 24

約数和(自身を含む): 18139968

約数和(自身を除く): 5260703

約数列:

[1, 5, 7, 35, 53, 131, 265, 371, 655, 917, 1855, 2809, 4585, 6943, 14045, 19663, 34715, 48601, 98315, 243005, 367979, 1839895, 2575853, 12879265]

約数ペア:

[(1, 12879265), (5, 2575853), (7, 1839895), (35, 367979), (53, 243005), (131, 98315), (265, 48601), (371, 34715), (655, 19663), (917, 14045), (1855, 6943), (2809, 4585)]