7821338

素因数分解:

$2^1\times 7^1\times {\mathrm{421}}^1\times {\mathrm{1327}}^1$

素因数の和:1757

約数の個数: 16

約数和(自身を含む): 13449984

約数和(自身を除く): 5628646

約数列:

[1, 2, 7, 14, 421, 842, 1327, 2654, 2947, 5894, 9289, 18578, 558667, 1117334, 3910669, 7821338]

約数ペア:

[(1, 7821338), (2, 3910669), (7, 1117334), (14, 558667), (421, 18578), (842, 9289), (1327, 5894), (2654, 2947)]