245979916

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{21799}}^1$

素因数の和:21854

約数の個数: 48

約数和(自身を含む): 546918400

約数和(自身を除く): 300938484

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 31, 52, 62, 91, 124, 182, 217, 364, 403, 434, 806, 868, 1612, 2821, 5642, 11284, 21799, 43598, 87196, 152593, 283387, 305186, 566774, 610372, 675769, 1133548, 1351538, 1983709, 2703076, 3967418, 4730383, 7934836, 8784997, 9460766, 17569994, 18921532, 35139988, 61494979, 122989958, 245979916]

約数ペア:

[(1, 245979916), (2, 122989958), (4, 61494979), (7, 35139988), (13, 18921532), (14, 17569994), (26, 9460766), (28, 8784997), (31, 7934836), (52, 4730383), (62, 3967418), (91, 2703076), (124, 1983709), (182, 1351538), (217, 1133548), (364, 675769), (403, 610372), (434, 566774), (806, 305186), (868, 283387), (1612, 152593), (2821, 87196), (5642, 43598), (11284, 21799)]