638463742

素因数分解:

$2^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{1060571}}^1$

素因数の和:1060623

約数の個数: 16

約数和(自身を含む): 1119964032

約数和(自身を除く): 481500290

約数列:

[1, 2, 7, 14, 43, 86, 301, 602, 1060571, 2121142, 7423997, 14847994, 45604553, 91209106, 319231871, 638463742]

約数ペア:

[(1, 638463742), (2, 319231871), (7, 91209106), (14, 45604553), (43, 14847994), (86, 7423997), (301, 2121142), (602, 1060571)]