389670589

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{23321}}^1$

素因数の和:23377

約数の個数: 24

約数和(自身を含む): 510471936

約数和(自身を除く): 120801347

約数列:

[1, 7, 11, 31, 49, 77, 217, 341, 539, 1519, 2387, 16709, 23321, 163247, 256531, 722951, 1142729, 1795717, 5060657, 7952461, 12570019, 35424599, 55667227, 389670589]

約数ペア:

[(1, 389670589), (7, 55667227), (11, 35424599), (31, 12570019), (49, 7952461), (77, 5060657), (217, 1795717), (341, 1142729), (539, 722951), (1519, 256531), (2387, 163247), (16709, 23321)]