388640794

素因数分解:

$2^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{63649}}^1$

素因数の和:63765

約数の個数: 16

約数和(自身を含む): 604929600

約数和(自身を除く): 216288806

約数列:

[1, 2, 43, 71, 86, 142, 3053, 6106, 63649, 127298, 2736907, 4519079, 5473814, 9038158, 194320397, 388640794]

約数ペア:

[(1, 388640794), (2, 194320397), (43, 9038158), (71, 5473814), (86, 4519079), (142, 2736907), (3053, 127298), (6106, 63649)]