13081285

素因数分解:

$5^1\times 7^2\times {\mathrm{107}}^1\times {\mathrm{499}}^1$

素因数の和:625

約数の個数: 24

約数和(自身を含む): 18468000

約数和(自身を除く): 5386715

約数列:

[1, 5, 7, 35, 49, 107, 245, 499, 535, 749, 2495, 3493, 3745, 5243, 17465, 24451, 26215, 53393, 122255, 266965, 373751, 1868755, 2616257, 13081285]

約数ペア:

[(1, 13081285), (5, 2616257), (7, 1868755), (35, 373751), (49, 266965), (107, 122255), (245, 53393), (499, 26215), (535, 24451), (749, 17465), (2495, 5243), (3493, 3745)]