56638561

素因数分解:

$7^3\times {\mathrm{61}}^1\times {\mathrm{2707}}^1$

素因数の和:2789

約数の個数: 16

約数和(自身を含む): 67158400

約数和(自身を除く): 10519839

約数列:

[1, 7, 49, 61, 343, 427, 2707, 2989, 18949, 20923, 132643, 165127, 928501, 1155889, 8091223, 56638561]

約数ペア:

[(1, 56638561), (7, 8091223), (49, 1155889), (61, 928501), (343, 165127), (427, 132643), (2707, 20923), (2989, 18949)]