217964562

素因数分解:

$2^1\times 3^1\times {\mathrm{1997}}^1\times {\mathrm{18191}}^1$

素因数の和:20193

約数の個数: 16

約数和(自身を含む): 436171392

約数和(自身を除く): 218206830

約数列:

[1, 2, 3, 6, 1997, 3994, 5991, 11982, 18191, 36382, 54573, 109146, 36327427, 72654854, 108982281, 217964562]

約数ペア:

[(1, 217964562), (2, 108982281), (3, 72654854), (6, 36327427), (1997, 109146), (3994, 54573), (5991, 36382), (11982, 18191)]