197912911

素因数分解:

$7^2\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{4523}}^1$

素因数の和:4603

約数の個数: 24

約数和(自身を含む): 247553280

約数和(自身を除く): 49640369

約数列:

[1, 7, 19, 47, 49, 133, 329, 893, 931, 2303, 4523, 6251, 31661, 43757, 85937, 212581, 221627, 601559, 1488067, 4039039, 4210913, 10416469, 28273273, 197912911]

約数ペア:

[(1, 197912911), (7, 28273273), (19, 10416469), (47, 4210913), (49, 4039039), (133, 1488067), (329, 601559), (893, 221627), (931, 212581), (2303, 85937), (4523, 43757), (6251, 31661)]