201918899

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{293}}^1\times {\mathrm{7573}}^1$

素因数の和:7886

約数の個数: 16

約数和(自身を含む): 249396672

約数和(自身を除く): 47477773

約数列:

[1, 7, 13, 91, 293, 2051, 3809, 7573, 26663, 53011, 98449, 689143, 2218889, 15532223, 28845557, 201918899]

約数ペア:

[(1, 201918899), (7, 28845557), (13, 15532223), (91, 2218889), (293, 689143), (2051, 98449), (3809, 53011), (7573, 26663)]