28720274

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{163}}^1\times {\mathrm{8009}}^1$

素因数の和:8185

約数の個数: 16

約数和(自身を含む): 47291040

約数和(自身を除く): 18570766

約数列:

[1, 2, 11, 22, 163, 326, 1793, 3586, 8009, 16018, 88099, 176198, 1305467, 2610934, 14360137, 28720274]

約数ペア:

[(1, 28720274), (2, 14360137), (11, 2610934), (22, 1305467), (163, 176198), (326, 88099), (1793, 16018), (3586, 8009)]