639002336

素因数分解:

$2^5\times 7^2\times {\mathrm{407527}}^1$

素因数の和:407551

約数の個数: 36

約数和(自身を含む): 1463433048

約数和(自身を除く): 824430712

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 98, 112, 196, 224, 392, 784, 1568, 407527, 815054, 1630108, 2852689, 3260216, 5705378, 6520432, 11410756, 13040864, 19968823, 22821512, 39937646, 45643024, 79875292, 91286048, 159750584, 319501168, 639002336]

約数ペア:

[(1, 639002336), (2, 319501168), (4, 159750584), (7, 91286048), (8, 79875292), (14, 45643024), (16, 39937646), (28, 22821512), (32, 19968823), (49, 13040864), (56, 11410756), (98, 6520432), (112, 5705378), (196, 3260216), (224, 2852689), (392, 1630108), (784, 815054), (1568, 407527)]