217742512

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{33769}}^1$

素因数の和:33821

約数の個数: 40

約数和(自身を含む): 468997760

約数和(自身を除く): 251255248

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 52, 62, 104, 124, 208, 248, 403, 496, 806, 1612, 3224, 6448, 33769, 67538, 135076, 270152, 438997, 540304, 877994, 1046839, 1755988, 2093678, 3511976, 4187356, 7023952, 8374712, 13608907, 16749424, 27217814, 54435628, 108871256, 217742512]

約数ペア:

[(1, 217742512), (2, 108871256), (4, 54435628), (8, 27217814), (13, 16749424), (16, 13608907), (26, 8374712), (31, 7023952), (52, 4187356), (62, 3511976), (104, 2093678), (124, 1755988), (208, 1046839), (248, 877994), (403, 540304), (496, 438997), (806, 270152), (1612, 135076), (3224, 67538), (6448, 33769)]