199226

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1$

素因数の和:157

約数の個数: 16

約数和(自身を含む): 321408

約数和(自身を除く): 122182

約数列:

[1, 2, 23, 46, 61, 71, 122, 142, 1403, 1633, 2806, 3266, 4331, 8662, 99613, 199226]

約数ペア:

[(1, 199226), (2, 99613), (23, 8662), (46, 4331), (61, 3266), (71, 2806), (122, 1633), (142, 1403)]