66803504

素因数分解:

$2^4\times {\mathrm{199}}^1\times {\mathrm{20981}}^1$

素因数の和:21188

約数の個数: 20

約数和(自身を含む): 130088400

約数和(自身を除く): 63284896

約数列:

[1, 2, 4, 8, 16, 199, 398, 796, 1592, 3184, 20981, 41962, 83924, 167848, 335696, 4175219, 8350438, 16700876, 33401752, 66803504]

約数ペア:

[(1, 66803504), (2, 33401752), (4, 16700876), (8, 8350438), (16, 4175219), (199, 335696), (398, 167848), (796, 83924), (1592, 41962), (3184, 20981)]