80215639

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{41}}^2\times {\mathrm{401}}^1$

素因数の和:507

約数の個数: 24

約数和(自身を含む): 99741024

約数和(自身を除く): 19525385

約数列:

[1, 7, 17, 41, 119, 287, 401, 697, 1681, 2807, 4879, 6817, 11767, 16441, 28577, 47719, 115087, 200039, 279497, 674081, 1956479, 4718567, 11459377, 80215639]

約数ペア:

[(1, 80215639), (7, 11459377), (17, 4718567), (41, 1956479), (119, 674081), (287, 279497), (401, 200039), (697, 115087), (1681, 47719), (2807, 28577), (4879, 16441), (6817, 11767)]