388540412

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{7471931}}^1$

素因数の和:7471948

約数の個数: 12

約数和(自身を含む): 732249336

約数和(自身を除く): 343708924

約数列:

[1, 2, 4, 13, 26, 52, 7471931, 14943862, 29887724, 97135103, 194270206, 388540412]

約数ペア:

[(1, 388540412), (2, 194270206), (4, 97135103), (13, 29887724), (26, 14943862), (52, 7471931)]