647391808

素因数分解:

$2^6\times 7^1\times {\mathrm{1445071}}^1$

素因数の和:1445090

約数の個数: 28

約数和(自身を含む): 1468193152

約数和(自身を除く): 820801344

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 224, 448, 1445071, 2890142, 5780284, 10115497, 11560568, 20230994, 23121136, 40461988, 46242272, 80923976, 92484544, 161847952, 323695904, 647391808]

約数ペア:

[(1, 647391808), (2, 323695904), (4, 161847952), (7, 92484544), (8, 80923976), (14, 46242272), (16, 40461988), (28, 23121136), (32, 20230994), (56, 11560568), (64, 10115497), (112, 5780284), (224, 2890142), (448, 1445071)]