678492712

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{4988917}}^1$

素因数の和:4988940

約数の個数: 16

約数和(自身を含む): 1347007860

約数和(自身を除く): 668515148

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 4988917, 9977834, 19955668, 39911336, 84811589, 169623178, 339246356, 678492712]

約数ペア:

[(1, 678492712), (2, 339246356), (4, 169623178), (8, 84811589), (17, 39911336), (34, 19955668), (68, 9977834), (136, 4988917)]