38780042

素因数分解:

$2^1\times 7^1\times {\mathrm{137}}^1\times {\mathrm{20219}}^1$

素因数の和:20365

約数の個数: 16

約数和(自身を含む): 66968640

約数和(自身を除く): 28188598

約数列:

[1, 2, 7, 14, 137, 274, 959, 1918, 20219, 40438, 141533, 283066, 2770003, 5540006, 19390021, 38780042]

約数ペア:

[(1, 38780042), (2, 19390021), (7, 5540006), (14, 2770003), (137, 283066), (274, 141533), (959, 40438), (1918, 20219)]