81077584

素因数分解:

$2^4\times 7^1\times {\mathrm{723907}}^1$

素因数の和:723922

約数の個数: 20

約数和(自身を含む): 179529184

約数和(自身を除く): 98451600

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 723907, 1447814, 2895628, 5067349, 5791256, 10134698, 11582512, 20269396, 40538792, 81077584]

約数ペア:

[(1, 81077584), (2, 40538792), (4, 20269396), (7, 11582512), (8, 10134698), (14, 5791256), (16, 5067349), (28, 2895628), (56, 1447814), (112, 723907)]