198262379

素因数分解:

$7^2\times {\mathrm{43}}^1\times {\mathrm{73}}^1\times {\mathrm{1289}}^1$

素因数の和:1419

約数の個数: 24

約数和(自身を含む): 239413680

約数和(自身を除く): 41151301

約数列:

[1, 7, 43, 49, 73, 301, 511, 1289, 2107, 3139, 3577, 9023, 21973, 55427, 63161, 94097, 153811, 387989, 658679, 2715923, 4046171, 4610753, 28323197, 198262379]

約数ペア:

[(1, 198262379), (7, 28323197), (43, 4610753), (49, 4046171), (73, 2715923), (301, 658679), (511, 387989), (1289, 153811), (2107, 94097), (3139, 63161), (3577, 55427), (9023, 21973)]