81400814

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{37}}^1\times {\mathrm{9091}}^1$

素因数の和:9152

約数の個数: 24

約数和(自身を含む): 137852904

約数和(自身を除く): 56452090

約数列:

[1, 2, 11, 22, 37, 74, 121, 242, 407, 814, 4477, 8954, 9091, 18182, 100001, 200002, 336367, 672734, 1100011, 2200022, 3700037, 7400074, 40700407, 81400814]

約数ペア:

[(1, 81400814), (2, 40700407), (11, 7400074), (22, 3700037), (37, 2200022), (74, 1100011), (121, 672734), (242, 336367), (407, 200002), (814, 100001), (4477, 18182), (8954, 9091)]