12720190

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{181717}}^1$

素因数の和:181731

約数の個数: 16

約数和(自身を含む): 26167392

約数和(自身を除く): 13447202

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 181717, 363434, 908585, 1272019, 1817170, 2544038, 6360095, 12720190]

約数ペア:

[(1, 12720190), (2, 6360095), (5, 2544038), (7, 1817170), (10, 1272019), (14, 908585), (35, 363434), (70, 181717)]