389758418

素因数分解:

$2^1\times 7^1\times {\mathrm{383}}^1\times {\mathrm{72689}}^1$

素因数の和:73081

約数の個数: 16

約数和(自身を含む): 669911040

約数和(自身を除く): 280152622

約数列:

[1, 2, 7, 14, 383, 766, 2681, 5362, 72689, 145378, 508823, 1017646, 27839887, 55679774, 194879209, 389758418]

約数ペア:

[(1, 389758418), (2, 194879209), (7, 55679774), (14, 27839887), (383, 1017646), (766, 508823), (2681, 145378), (5362, 72689)]