209404385

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{683}}^1\times {\mathrm{3607}}^1$

素因数の和:4312

約数の個数: 16

約数和(自身を含む): 266530176

約数和(自身を除く): 57125791

約数列:

[1, 5, 17, 85, 683, 3415, 3607, 11611, 18035, 58055, 61319, 306595, 2463581, 12317905, 41880877, 209404385]

約数ペア:

[(1, 209404385), (5, 41880877), (17, 12317905), (85, 2463581), (683, 306595), (3415, 61319), (3607, 58055), (11611, 18035)]