28810258

素因数分解:

$2^1\times {\mathrm{43}}^1\times {\mathrm{521}}^1\times {\mathrm{643}}^1$

素因数の和:1209

約数の個数: 16

約数和(自身を含む): 44374176

約数和(自身を除く): 15563918

約数列:

[1, 2, 43, 86, 521, 643, 1042, 1286, 22403, 27649, 44806, 55298, 335003, 670006, 14405129, 28810258]

約数ペア:

[(1, 28810258), (2, 14405129), (43, 670006), (86, 335003), (521, 55298), (643, 44806), (1042, 27649), (1286, 22403)]