39973994

素因数分解:

$2^1\times {\mathrm{71}}^1\times {\mathrm{89}}^1\times {\mathrm{3163}}^1$

素因数の和:3325

約数の個数: 16

約数和(自身を含む): 61508160

約数和(自身を除く): 21534166

約数列:

[1, 2, 71, 89, 142, 178, 3163, 6319, 6326, 12638, 224573, 281507, 449146, 563014, 19986997, 39973994]

約数ペア:

[(1, 39973994), (2, 19986997), (71, 563014), (89, 449146), (142, 281507), (178, 224573), (3163, 12638), (6319, 6326)]