640192

素因数分解:

$2^6\times 7^1\times {\mathrm{1429}}^1$

素因数の和:1448

約数の個数: 28

約数和(自身を含む): 1452880

約数和(自身を除く): 812688

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 224, 448, 1429, 2858, 5716, 10003, 11432, 20006, 22864, 40012, 45728, 80024, 91456, 160048, 320096, 640192]

約数ペア:

[(1, 640192), (2, 320096), (4, 160048), (7, 91456), (8, 80024), (14, 45728), (16, 40012), (28, 22864), (32, 20006), (56, 11432), (64, 10003), (112, 5716), (224, 2858), (448, 1429)]