198517081

素因数分解:

$7^4\times {\mathrm{89}}^1\times {\mathrm{929}}^1$

素因数の和:1046

約数の個数: 20

約数和(自身を含む): 234443700

約数和(自身を除く): 35926619

約数列:

[1, 7, 49, 89, 343, 623, 929, 2401, 4361, 6503, 30527, 45521, 82681, 213689, 318647, 578767, 2230529, 4051369, 28359583, 198517081]

約数ペア:

[(1, 198517081), (7, 28359583), (49, 4051369), (89, 2230529), (343, 578767), (623, 318647), (929, 213689), (2401, 82681), (4361, 45521), (6503, 30527)]