28409255

素因数分解:

$5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{35291}}^1$

素因数の和:35326

約数の個数: 16

約数和(自身を含む): 40656384

約数和(自身を除く): 12247129

約数列:

[1, 5, 7, 23, 35, 115, 161, 805, 35291, 176455, 247037, 811693, 1235185, 4058465, 5681851, 28409255]

約数ペア:

[(1, 28409255), (5, 5681851), (7, 4058465), (23, 1235185), (35, 811693), (115, 247037), (161, 176455), (805, 35291)]