199804579

素因数分解:

${\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{6983}}^1$

素因数の和:7098

約数の個数: 16

約数和(自身を含む): 225275904

約数和(自身を除く): 25471325

約数列:

[1, 13, 31, 71, 403, 923, 2201, 6983, 28613, 90779, 216473, 495793, 2814149, 6445309, 15369583, 199804579]

約数ペア:

[(1, 199804579), (13, 15369583), (31, 6445309), (71, 2814149), (403, 495793), (923, 216473), (2201, 90779), (6983, 28613)]