647190488

素因数分解:

$2^3\times 7^1\times {\mathrm{11556973}}^1$

素因数の和:11556986

約数の個数: 16

約数和(自身を含む): 1386836880

約数和(自身を除く): 739646392

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 11556973, 23113946, 46227892, 80898811, 92455784, 161797622, 323595244, 647190488]

約数ペア:

[(1, 647190488), (2, 323595244), (4, 161797622), (7, 92455784), (8, 80898811), (14, 46227892), (28, 23113946), (56, 11556973)]