28265377

素因数分解:

$7^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1\times {\mathrm{1621}}^1$

素因数の和:1728

約数の個数: 16

約数和(自身を含む): 33633792

約数和(自身を除く): 5368415

約数列:

[1, 7, 47, 53, 329, 371, 1621, 2491, 11347, 17437, 76187, 85913, 533309, 601391, 4037911, 28265377]

約数ペア:

[(1, 28265377), (7, 4037911), (47, 601391), (53, 533309), (329, 85913), (371, 76187), (1621, 17437), (2491, 11347)]