2881417

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{1627}}^1$

素因数の和:1668

約数の個数: 16

約数和(自身を含む): 3750912

約数和(自身を除く): 869495

約数列:

[1, 7, 11, 23, 77, 161, 253, 1627, 1771, 11389, 17897, 37421, 125279, 261947, 411631, 2881417]

約数ペア:

[(1, 2881417), (7, 411631), (11, 261947), (23, 125279), (77, 37421), (161, 17897), (253, 11389), (1627, 1771)]