199137211

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{967}}^1$

素因数の和:1091

約数の個数: 32

約数和(自身を含む): 256729088

約数和(自身を除く): 57591877

約数列:

[1, 7, 13, 31, 73, 91, 217, 403, 511, 949, 967, 2263, 2821, 6643, 6769, 12571, 15841, 29419, 29977, 70591, 87997, 205933, 209839, 389701, 494137, 917683, 2188321, 2727907, 6423781, 15318247, 28448173, 199137211]

約数ペア:

[(1, 199137211), (7, 28448173), (13, 15318247), (31, 6423781), (73, 2727907), (91, 2188321), (217, 917683), (403, 494137), (511, 389701), (949, 209839), (967, 205933), (2263, 87997), (2821, 70591), (6643, 29977), (6769, 29419), (12571, 15841)]