209549557

素因数分解:

$7^1\times {\mathrm{109}}^1\times {\mathrm{193}}^1\times {\mathrm{1423}}^1$

素因数の和:1732

約数の個数: 16

約数和(自身を含む): 243105280

約数和(自身を除く): 33555723

約数列:

[1, 7, 109, 193, 763, 1351, 1423, 9961, 21037, 147259, 155107, 274639, 1085749, 1922473, 29935651, 209549557]

約数ペア:

[(1, 209549557), (7, 29935651), (109, 1922473), (193, 1085749), (763, 274639), (1351, 155107), (1423, 147259), (9961, 21037)]