28890190

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{412717}}^1$

素因数の和:412731

約数の個数: 16

約数和(自身を含む): 59431392

約数和(自身を除く): 30541202

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 412717, 825434, 2063585, 2889019, 4127170, 5778038, 14445095, 28890190]

約数ペア:

[(1, 28890190), (2, 14445095), (5, 5778038), (7, 4127170), (10, 2889019), (14, 2063585), (35, 825434), (70, 412717)]