818778896

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{3936437}}^1$

素因数の和:3936458

約数の個数: 20

約数和(自身を含む): 1708414092

約数和(自身を除く): 889635196

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 3936437, 7872874, 15745748, 31491496, 51173681, 62982992, 102347362, 204694724, 409389448, 818778896]

約数ペア:

[(1, 818778896), (2, 409389448), (4, 204694724), (8, 102347362), (13, 62982992), (16, 51173681), (26, 31491496), (52, 15745748), (104, 7872874), (208, 3936437)]