320844979

素因数分解:

$7^1\times {\mathrm{13}}^2\times {\mathrm{367}}^1\times {\mathrm{739}}^1$

素因数の和:1139

約数の個数: 24

約数和(自身を含む): 398676480

約数和(自身を除く): 77831501

約数列:

[1, 7, 13, 91, 169, 367, 739, 1183, 2569, 4771, 5173, 9607, 33397, 62023, 67249, 124891, 271213, 434161, 874237, 1898491, 3525769, 24680383, 45834997, 320844979]

約数ペア:

[(1, 320844979), (7, 45834997), (13, 24680383), (91, 3525769), (169, 1898491), (367, 874237), (739, 434161), (1183, 271213), (2569, 124891), (4771, 67249), (5173, 62023), (9607, 33397)]