80404198

素因数分解:

$2^1\times 7^2\times {\mathrm{41}}^1\times {\mathrm{20011}}^1$

素因数の和:20068

約数の個数: 24

約数和(自身を含む): 143726184

約数和(自身を除く): 63321986

約数列:

[1, 2, 7, 14, 41, 49, 82, 98, 287, 574, 2009, 4018, 20011, 40022, 140077, 280154, 820451, 980539, 1640902, 1961078, 5743157, 11486314, 40202099, 80404198]

約数ペア:

[(1, 80404198), (2, 40202099), (7, 11486314), (14, 5743157), (41, 1961078), (49, 1640902), (82, 980539), (98, 820451), (287, 280154), (574, 140077), (2009, 40022), (4018, 20011)]