280003136

素因数分解:

$2^6\times 7^1\times {\mathrm{625007}}^1$

素因数の和:625026

約数の個数: 28

約数和(自身を含む): 635008128

約数和(自身を除く): 355004992

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 224, 448, 625007, 1250014, 2500028, 4375049, 5000056, 8750098, 10000112, 17500196, 20000224, 35000392, 40000448, 70000784, 140001568, 280003136]

約数ペア:

[(1, 280003136), (2, 140001568), (4, 70000784), (7, 40000448), (8, 35000392), (14, 20000224), (16, 17500196), (28, 10000112), (32, 8750098), (56, 5000056), (64, 4375049), (112, 2500028), (224, 1250014), (448, 625007)]