639557182

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{1263947}}^1$

素因数の和:1263983

約数の個数: 16

約数和(自身を含む): 1092051072

約数和(自身を除く): 452493890

約数列:

[1, 2, 11, 22, 23, 46, 253, 506, 1263947, 2527894, 13903417, 27806834, 29070781, 58141562, 319778591, 639557182]

約数ペア:

[(1, 639557182), (2, 319778591), (11, 58141562), (22, 29070781), (23, 27806834), (46, 13903417), (253, 2527894), (506, 1263947)]