289693019

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{198013}}^1$

素因数の和:198050

約数の個数: 16

約数和(自身を含む): 380186880

約数和(自身を除く): 90493861

約数列:

[1, 7, 11, 19, 77, 133, 209, 1463, 198013, 1386091, 2178143, 3762247, 15247001, 26335729, 41384717, 289693019]

約数ペア:

[(1, 289693019), (7, 41384717), (11, 26335729), (19, 15247001), (77, 3762247), (133, 2178143), (209, 1386091), (1463, 198013)]