206825521

素因数分解:

$7^2\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{2897}}^1$

素因数の和:2989

約数の個数: 24

約数和(自身を含む): 253725696

約数和(自身を除く): 46900175

約数列:

[1, 7, 31, 47, 49, 217, 329, 1457, 1519, 2303, 2897, 10199, 20279, 71393, 89807, 136159, 141953, 628649, 953113, 4220929, 4400543, 6671791, 29546503, 206825521]

約数ペア:

[(1, 206825521), (7, 29546503), (31, 6671791), (47, 4400543), (49, 4220929), (217, 953113), (329, 628649), (1457, 141953), (1519, 136159), (2303, 89807), (2897, 71393), (10199, 20279)]