28290817

素因数分解:

${\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{67}}^1\times {\mathrm{257}}^1$

素因数の和:408

約数の個数: 16

約数和(自身を含む): 30316032

約数和(自身を除く): 2025215

約数列:

[1, 31, 53, 67, 257, 1643, 2077, 3551, 7967, 13621, 17219, 110081, 422251, 533789, 912607, 28290817]

約数ペア:

[(1, 28290817), (31, 912607), (53, 533789), (67, 422251), (257, 110081), (1643, 17219), (2077, 13621), (3551, 7967)]