66881368

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{440009}}^1$

素因数の和:440034

約数の個数: 16

約数和(自身を含む): 132003000

約数和(自身を除く): 65121632

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 440009, 880018, 1760036, 3520072, 8360171, 16720342, 33440684, 66881368]

約数ペア:

[(1, 66881368), (2, 33440684), (4, 16720342), (8, 8360171), (19, 3520072), (38, 1760036), (76, 880018), (152, 440009)]