28977485

素因数分解:

$5^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{2543}}^1$

素因数の和:2644

約数の個数: 16

約数和(自身を含む): 36267264

約数和(自身を除く): 7289779

約数列:

[1, 5, 43, 53, 215, 265, 2279, 2543, 11395, 12715, 109349, 134779, 546745, 673895, 5795497, 28977485]

約数ペア:

[(1, 28977485), (5, 5795497), (43, 673895), (53, 546745), (215, 134779), (265, 109349), (2279, 12715), (2543, 11395)]