159217247

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1\times {\mathrm{397}}^1$

素因数の和:527

約数の個数: 32

約数和(自身を含む): 198070272

約数和(自身を除く): 38853025

約数列:

[1, 7, 23, 47, 53, 161, 329, 371, 397, 1081, 1219, 2491, 2779, 7567, 8533, 9131, 17437, 18659, 21041, 57293, 63917, 130613, 147287, 401051, 429157, 483943, 988927, 3004099, 3387601, 6922489, 22745321, 159217247]

約数ペア:

[(1, 159217247), (7, 22745321), (23, 6922489), (47, 3387601), (53, 3004099), (161, 988927), (329, 483943), (371, 429157), (397, 401051), (1081, 147287), (1219, 130613), (2491, 63917), (2779, 57293), (7567, 21041), (8533, 18659), (9131, 17437)]