189951986

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{8081}}^1$

素因数の和:8186

約数の個数: 32

約数和(自身を含む): 344487168

約数和(自身を除く): 154535182

約数列:

[1, 2, 7, 14, 23, 46, 73, 146, 161, 322, 511, 1022, 1679, 3358, 8081, 11753, 16162, 23506, 56567, 113134, 185863, 371726, 589913, 1179826, 1301041, 2602082, 4129391, 8258782, 13567999, 27135998, 94975993, 189951986]

約数ペア:

[(1, 189951986), (2, 94975993), (7, 27135998), (14, 13567999), (23, 8258782), (46, 4129391), (73, 2602082), (146, 1301041), (161, 1179826), (322, 589913), (511, 371726), (1022, 185863), (1679, 113134), (3358, 56567), (8081, 23506), (11753, 16162)]