1297153016

素因数分解:

$2^3\times {\mathrm{257}}^1\times {\mathrm{630911}}^1$

素因数の和:631174

約数の個数: 16

約数和(自身を含む): 2441629440

約数和(自身を除く): 1144476424

約数列:

[1, 2, 4, 8, 257, 514, 1028, 2056, 630911, 1261822, 2523644, 5047288, 162144127, 324288254, 648576508, 1297153016]

約数ペア:

[(1, 1297153016), (2, 648576508), (4, 324288254), (8, 162144127), (257, 5047288), (514, 2523644), (1028, 1261822), (2056, 630911)]