1019900161

素因数分解:

$7^2\times {\mathrm{71}}^2\times {\mathrm{4129}}^1$

素因数の和:4285

約数の個数: 18

約数和(自身を含む): 1203651330

約数和(自身を除く): 183751169

約数列:

[1, 7, 49, 71, 497, 3479, 4129, 5041, 28903, 35287, 202321, 247009, 293159, 2052113, 14364791, 20814289, 145700023, 1019900161]

約数ペア:

[(1, 1019900161), (7, 145700023), (49, 20814289), (71, 14364791), (497, 2052113), (3479, 293159), (4129, 247009), (5041, 202321), (28903, 35287)]