12166945

素因数分解:

$5^1\times 7^2\times {\mathrm{53}}^1\times {\mathrm{937}}^1$

素因数の和:1009

約数の個数: 24

約数和(自身を含む): 17322984

約数和(自身を除く): 5156039

約数列:

[1, 5, 7, 35, 49, 53, 245, 265, 371, 937, 1855, 2597, 4685, 6559, 12985, 32795, 45913, 49661, 229565, 248305, 347627, 1738135, 2433389, 12166945]

約数ペア:

[(1, 12166945), (5, 2433389), (7, 1738135), (35, 347627), (49, 248305), (53, 229565), (245, 49661), (265, 45913), (371, 32795), (937, 12985), (1855, 6559), (2597, 4685)]