28231091

素因数分解:

$7^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{1321}}^1$

素因数の和:1442

約数の個数: 16

約数和(自身を含む): 33504768

約数和(自身を除く): 5273677

約数列:

[1, 7, 43, 71, 301, 497, 1321, 3053, 9247, 21371, 56803, 93791, 397621, 656537, 4033013, 28231091]

約数ペア:

[(1, 28231091), (7, 4033013), (43, 656537), (71, 397621), (301, 93791), (497, 56803), (1321, 21371), (3053, 9247)]