1255667728

素因数分解:

$2^4\times 7^2\times {\mathrm{1601617}}^1$

素因数の和:1601639

約数の個数: 30

約数和(自身を含む): 2830059006

約数和(自身を除く): 1574391278

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 49, 56, 98, 112, 196, 392, 784, 1601617, 3203234, 6406468, 11211319, 12812936, 22422638, 25625872, 44845276, 78479233, 89690552, 156958466, 179381104, 313916932, 627833864, 1255667728]

約数ペア:

[(1, 1255667728), (2, 627833864), (4, 313916932), (7, 179381104), (8, 156958466), (14, 89690552), (16, 78479233), (28, 44845276), (49, 25625872), (56, 22422638), (98, 12812936), (112, 11211319), (196, 6406468), (392, 3203234), (784, 1601617)]