390147128

素因数分解:

$2^3\times 7^1\times {\mathrm{6966913}}^1$

素因数の和:6966926

約数の個数: 16

約数和(自身を含む): 836029680

約数和(自身を除く): 445882552

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 6966913, 13933826, 27867652, 48768391, 55735304, 97536782, 195073564, 390147128]

約数ペア:

[(1, 390147128), (2, 195073564), (4, 97536782), (7, 55735304), (8, 48768391), (14, 27867652), (28, 13933826), (56, 6966913)]