217367068

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{40283}}^1$

素因数の和:40377

約数の個数: 24

約数和(自身を含む): 406062720

約数和(自身を除く): 188695652

約数列:

[1, 2, 4, 19, 38, 71, 76, 142, 284, 1349, 2698, 5396, 40283, 80566, 161132, 765377, 1530754, 2860093, 3061508, 5720186, 11440372, 54341767, 108683534, 217367068]

約数ペア:

[(1, 217367068), (2, 108683534), (4, 54341767), (19, 11440372), (38, 5720186), (71, 3061508), (76, 2860093), (142, 1530754), (284, 765377), (1349, 161132), (2698, 80566), (5396, 40283)]