123456

素因数分解:

$2^6\times 3^1\times {\mathrm{643}}^1$

素因数の和:658

約数の個数: 28

約数和(自身を含む): 327152

約数和(自身を除く): 203696

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 64, 96, 192, 643, 1286, 1929, 2572, 3858, 5144, 7716, 10288, 15432, 20576, 30864, 41152, 61728, 123456]

約数ペア:

[(1, 123456), (2, 61728), (3, 41152), (4, 30864), (6, 20576), (8, 15432), (12, 10288), (16, 7716), (24, 5144), (32, 3858), (48, 2572), (64, 1929), (96, 1286), (192, 643)]