389918942

素因数分解:

$2^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{255517}}^1$

素因数の和:255635

約数の個数: 16

約数和(自身を含む): 674567520

約数和(自身を除く): 284648578

約数列:

[1, 2, 7, 14, 109, 218, 763, 1526, 255517, 511034, 1788619, 3577238, 27851353, 55702706, 194959471, 389918942]

約数ペア:

[(1, 389918942), (2, 194959471), (7, 55702706), (14, 27851353), (109, 3577238), (218, 1788619), (763, 511034), (1526, 255517)]