13289423

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{197}}^1\times {\mathrm{419}}^1$

素因数の和:646

約数の個数: 16

約数和(自身を含む): 15966720

約数和(自身を除く): 2677297

約数列:

[1, 7, 23, 161, 197, 419, 1379, 2933, 4531, 9637, 31717, 67459, 82543, 577801, 1898489, 13289423]

約数ペア:

[(1, 13289423), (7, 1898489), (23, 577801), (161, 82543), (197, 67459), (419, 31717), (1379, 9637), (2933, 4531)]