47689990

素因数分解:

$2^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{67169}}^1$

素因数の和:67247

約数の個数: 16

約数和(自身を含む): 87052320

約数和(自身を除く): 39362330

約数列:

[1, 2, 5, 10, 71, 142, 355, 710, 67169, 134338, 335845, 671690, 4768999, 9537998, 23844995, 47689990]

約数ペア:

[(1, 47689990), (2, 23844995), (5, 9537998), (10, 4768999), (71, 671690), (142, 335845), (355, 134338), (710, 67169)]