25780769

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{3407}}^1$

素因数の和:3484

約数の個数: 16

約数和(自身を含む): 31408128

約数和(自身を除く): 5627359

約数列:

[1, 7, 23, 47, 161, 329, 1081, 3407, 7567, 23849, 78361, 160129, 548527, 1120903, 3682967, 25780769]

約数ペア:

[(1, 25780769), (7, 3682967), (23, 1120903), (47, 548527), (161, 160129), (329, 78361), (1081, 23849), (3407, 7567)]