66751867

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{2437}}^1$

素因数の和:2507

約数の個数: 24

約数和(自身を含む): 85603056

約数和(自身を除く): 18851189

約数列:

[1, 7, 13, 43, 49, 91, 301, 559, 637, 2107, 2437, 3913, 17059, 27391, 31681, 104791, 119413, 221767, 733537, 1362283, 1552369, 5134759, 9535981, 66751867]

約数ペア:

[(1, 66751867), (7, 9535981), (13, 5134759), (43, 1552369), (49, 1362283), (91, 733537), (301, 221767), (559, 119413), (637, 104791), (2107, 31681), (2437, 27391), (3913, 17059)]