128589736

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{47137}}^1$

素因数の和:47185

約数の個数: 32

約数和(自身を含む): 271514880

約数和(自身を除く): 142925144

約数列:

[1, 2, 4, 8, 11, 22, 31, 44, 62, 88, 124, 248, 341, 682, 1364, 2728, 47137, 94274, 188548, 377096, 518507, 1037014, 1461247, 2074028, 2922494, 4148056, 5844988, 11689976, 16073717, 32147434, 64294868, 128589736]

約数ペア:

[(1, 128589736), (2, 64294868), (4, 32147434), (8, 16073717), (11, 11689976), (22, 5844988), (31, 4148056), (44, 2922494), (62, 2074028), (88, 1461247), (124, 1037014), (248, 518507), (341, 377096), (682, 188548), (1364, 94274), (2728, 47137)]