221428412

素因数分解:

$2^2\times {\mathrm{31}}^1\times {\mathrm{1785713}}^1$

素因数の和:1785748

約数の個数: 12

約数和(自身を含む): 399999936

約数和(自身を除く): 178571524

約数列:

[1, 2, 4, 31, 62, 124, 1785713, 3571426, 7142852, 55357103, 110714206, 221428412]

約数ペア:

[(1, 221428412), (2, 110714206), (4, 55357103), (31, 7142852), (62, 3571426), (124, 1785713)]