25798157

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{2081}}^1$

素因数の和:2129

約数の個数: 24

約数和(自身を含む): 34178112

約数和(自身を除く): 8379955

約数列:

[1, 7, 11, 23, 49, 77, 161, 253, 539, 1127, 1771, 2081, 12397, 14567, 22891, 47863, 101969, 160237, 335041, 526493, 1121659, 2345287, 3685451, 25798157]

約数ペア:

[(1, 25798157), (7, 3685451), (11, 2345287), (23, 1121659), (49, 526493), (77, 335041), (161, 160237), (253, 101969), (539, 47863), (1127, 22891), (1771, 14567), (2081, 12397)]