82980145

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{20771}}^1$

素因数の和:20840

約数の個数: 16

約数和(自身を含む): 107682048

約数和(自身を除く): 24701903

約数列:

[1, 5, 17, 47, 85, 235, 799, 3995, 20771, 103855, 353107, 976237, 1765535, 4881185, 16596029, 82980145]

約数ペア:

[(1, 82980145), (5, 16596029), (17, 4881185), (47, 1765535), (85, 976237), (235, 353107), (799, 103855), (3995, 20771)]