81325298

素因数分解:

$2^1\times {\mathrm{43}}^1\times {\mathrm{103}}^1\times {\mathrm{9181}}^1$

素因数の和:9329

約数の個数: 16

約数和(自身を含む): 126050496

約数和(自身を除く): 44725198

約数列:

[1, 2, 43, 86, 103, 206, 4429, 8858, 9181, 18362, 394783, 789566, 945643, 1891286, 40662649, 81325298]

約数ペア:

[(1, 81325298), (2, 40662649), (43, 1891286), (86, 945643), (103, 789566), (206, 394783), (4429, 18362), (8858, 9181)]