201780551

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{571}}^1\times {\mathrm{2657}}^1$

素因数の和:3254

約数の個数: 16

約数和(自身を含む): 243260160

約数和(自身を除く): 41479609

約数列:

[1, 7, 19, 133, 571, 2657, 3997, 10849, 18599, 50483, 75943, 353381, 1517147, 10620029, 28825793, 201780551]

約数ペア:

[(1, 201780551), (7, 28825793), (19, 10620029), (133, 1517147), (571, 353381), (2657, 75943), (3997, 50483), (10849, 18599)]