1281902210

素因数分解:

$2^1\times 5^1\times {\mathrm{683}}^1\times {\mathrm{187687}}^1$

素因数の和:188377

約数の個数: 16

約数和(自身を含む): 2310814656

約数和(自身を除く): 1028912446

約数列:

[1, 2, 5, 10, 683, 1366, 3415, 6830, 187687, 375374, 938435, 1876870, 128190221, 256380442, 640951105, 1281902210]

約数ペア:

[(1, 1281902210), (2, 640951105), (5, 256380442), (10, 128190221), (683, 1876870), (1366, 938435), (3415, 375374), (6830, 187687)]