128366986

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{179}}^1\times {\mathrm{881}}^1$

素因数の和:1110

約数の個数: 32

約数和(自身を含む): 217183680

約数和(自身を除く): 88816694

約数列:

[1, 2, 11, 22, 37, 74, 179, 358, 407, 814, 881, 1762, 1969, 3938, 6623, 9691, 13246, 19382, 32597, 65194, 72853, 145706, 157699, 315398, 358567, 717134, 1734689, 3469378, 5834863, 11669726, 64183493, 128366986]

約数ペア:

[(1, 128366986), (2, 64183493), (11, 11669726), (22, 5834863), (37, 3469378), (74, 1734689), (179, 717134), (358, 358567), (407, 315398), (814, 157699), (881, 145706), (1762, 72853), (1969, 65194), (3938, 32597), (6623, 19382), (9691, 13246)]