28772485

素因数分解:

$5^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{6473}}^1$

素因数の和:6612

約数の個数: 16

約数和(自身を含む): 39776256

約数和(自身を除く): 11003771

約数列:

[1, 5, 7, 35, 127, 635, 889, 4445, 6473, 32365, 45311, 226555, 822071, 4110355, 5754497, 28772485]

約数ペア:

[(1, 28772485), (5, 5754497), (7, 4110355), (35, 822071), (127, 226555), (635, 45311), (889, 32365), (4445, 6473)]