647190992

素因数分解:

$2^4\times 7^1\times {\mathrm{5778491}}^1$

素因数の和:5778506

約数の個数: 20

約数和(自身を含む): 1433066016

約数和(自身を除く): 785875024

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 5778491, 11556982, 23113964, 40449437, 46227928, 80898874, 92455856, 161797748, 323595496, 647190992]

約数ペア:

[(1, 647190992), (2, 323595496), (4, 161797748), (7, 92455856), (8, 80898874), (14, 46227928), (16, 40449437), (28, 23113964), (56, 11556982), (112, 5778491)]