256985785

素因数分解:

$5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{319237}}^1$

素因数の和:319272

約数の個数: 16

約数和(自身を含む): 367762176

約数和(自身を除く): 110776391

約数列:

[1, 5, 7, 23, 35, 115, 161, 805, 319237, 1596185, 2234659, 7342451, 11173295, 36712255, 51397157, 256985785]

約数ペア:

[(1, 256985785), (5, 51397157), (7, 36712255), (23, 11173295), (35, 7342451), (115, 2234659), (161, 1596185), (805, 319237)]