87147851

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{919}}^1$

素因数の和:999

約数の個数: 32

約数和(自身を含む): 113049600

約数和(自身を除く): 25901749

約数列:

[1, 7, 19, 23, 31, 133, 161, 217, 437, 589, 713, 919, 3059, 4123, 4991, 6433, 13547, 17461, 21137, 28489, 94829, 122227, 147959, 199423, 401603, 541291, 655247, 2811221, 3789037, 4586729, 12449693, 87147851]

約数ペア:

[(1, 87147851), (7, 12449693), (19, 4586729), (23, 3789037), (31, 2811221), (133, 655247), (161, 541291), (217, 401603), (437, 199423), (589, 147959), (713, 122227), (919, 94829), (3059, 28489), (4123, 21137), (4991, 17461), (6433, 13547)]