28540190

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{407717}}^1$

素因数の和:407731

約数の個数: 16

約数和(自身を含む): 58711392

約数和(自身を除く): 30171202

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 407717, 815434, 2038585, 2854019, 4077170, 5708038, 14270095, 28540190]

約数ペア:

[(1, 28540190), (2, 14270095), (5, 5708038), (7, 4077170), (10, 2854019), (14, 2038585), (35, 815434), (70, 407717)]