199857721

素因数分解:

$7^2\times {\mathrm{59}}^1\times {\mathrm{73}}^1\times {\mathrm{947}}^1$

素因数の和:1093

約数の個数: 24

約数和(自身を含む): 239919840

約数和(自身を除く): 40062119

約数列:

[1, 7, 49, 59, 73, 413, 511, 947, 2891, 3577, 4307, 6629, 30149, 46403, 55873, 69131, 211043, 391111, 483917, 2737777, 3387419, 4078729, 28551103, 199857721]

約数ペア:

[(1, 199857721), (7, 28551103), (49, 4078729), (59, 3387419), (73, 2737777), (413, 483917), (511, 391111), (947, 211043), (2891, 69131), (3577, 55873), (4307, 46403), (6629, 30149)]