28200277

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{2467}}^1$

素因数の和:2568

約数の個数: 16

約数和(自身を含む): 34117632

約数和(自身を除く): 5917355

約数列:

[1, 7, 23, 71, 161, 497, 1633, 2467, 11431, 17269, 56741, 175157, 397187, 1226099, 4028611, 28200277]

約数ペア:

[(1, 28200277), (7, 4028611), (23, 1226099), (71, 397187), (161, 175157), (497, 56741), (1633, 17269), (2467, 11431)]