1274921216

素因数分解:

$2^8\times {\mathrm{4980161}}^1$

素因数の和:4980177

約数の個数: 18

約数和(自身を含む): 2544862782

約数和(自身を除く): 1269941566

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 256, 4980161, 9960322, 19920644, 39841288, 79682576, 159365152, 318730304, 637460608, 1274921216]

約数ペア:

[(1, 1274921216), (2, 637460608), (4, 318730304), (8, 159365152), (16, 79682576), (32, 39841288), (64, 19920644), (128, 9960322), (256, 4980161)]