27720014

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{2777}}^1$

素因数の和:2840

約数の個数: 32

約数和(自身を含む): 51204096

約数和(自身を除く): 23484082

約数列:

[1, 2, 7, 14, 23, 31, 46, 62, 161, 217, 322, 434, 713, 1426, 2777, 4991, 5554, 9982, 19439, 38878, 63871, 86087, 127742, 172174, 447097, 602609, 894194, 1205218, 1980001, 3960002, 13860007, 27720014]

約数ペア:

[(1, 27720014), (2, 13860007), (7, 3960002), (14, 1980001), (23, 1205218), (31, 894194), (46, 602609), (62, 447097), (161, 172174), (217, 127742), (322, 86087), (434, 63871), (713, 38878), (1426, 19439), (2777, 9982), (4991, 5554)]