678644888

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{2113}}^2$

素因数の和:4251

約数の個数: 24

約数和(自身を含む): 1340064900

約数和(自身を除く): 661420012

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 2113, 4226, 8452, 16904, 40147, 80294, 160588, 321176, 4464769, 8929538, 17859076, 35718152, 84830611, 169661222, 339322444, 678644888]

約数ペア:

[(1, 678644888), (2, 339322444), (4, 169661222), (8, 84830611), (19, 35718152), (38, 17859076), (76, 8929538), (152, 4464769), (2113, 321176), (4226, 160588), (8452, 80294), (16904, 40147)]