157393439

素因数分解:

$7^3\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{281}}^1$

素因数の和:396

約数の個数: 32

約数和(自身を含む): 194918400

約数和(自身を除く): 37524961

約数列:

[1, 7, 23, 49, 71, 161, 281, 343, 497, 1127, 1633, 1967, 3479, 6463, 7889, 11431, 13769, 19951, 24353, 45241, 80017, 96383, 139657, 316687, 458873, 560119, 977599, 2216809, 3212111, 6843193, 22484777, 157393439]

約数ペア:

[(1, 157393439), (7, 22484777), (23, 6843193), (49, 3212111), (71, 2216809), (161, 977599), (281, 560119), (343, 458873), (497, 316687), (1127, 139657), (1633, 96383), (1967, 80017), (3479, 45241), (6463, 24353), (7889, 19951), (11431, 13769)]