1978338074

素因数分解:

$2^1\times {\mathrm{263}}^1\times {\mathrm{521}}^1\times {\mathrm{7219}}^1$

素因数の和:8005

約数の個数: 16

約数和(自身を含む): 2984921280

約数和(自身を除く): 1006583206

約数列:

[1, 2, 263, 521, 526, 1042, 7219, 14438, 137023, 274046, 1898597, 3761099, 3797194, 7522198, 989169037, 1978338074]

約数ペア:

[(1, 1978338074), (2, 989169037), (263, 7522198), (521, 3797194), (526, 3761099), (1042, 1898597), (7219, 274046), (14438, 137023)]