256840419

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{181001}}^1$

素因数の和:181058

約数の個数: 16

約数和(自身を含む): 382276224

約数和(自身を除く): 125435805

約数列:

[1, 3, 11, 33, 43, 129, 473, 1419, 181001, 543003, 1991011, 5973033, 7783043, 23349129, 85613473, 256840419]

約数ペア:

[(1, 256840419), (3, 85613473), (11, 23349129), (33, 7783043), (43, 5973033), (129, 1991011), (473, 543003), (1419, 181001)]