864790

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{5087}}^1$

素因数の和:5111

約数の個数: 16

約数和(自身を含む): 1648512

約数和(自身を除く): 783722

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 5087, 10174, 25435, 50870, 86479, 172958, 432395, 864790]

約数ペア:

[(1, 864790), (2, 432395), (5, 172958), (10, 86479), (17, 50870), (34, 25435), (85, 10174), (170, 5087)]