111571388

素因数分解:

$2^2\times {\mathrm{71}}^1\times {\mathrm{392857}}^1$

素因数の和:392932

約数の個数: 12

約数和(自身を含む): 198000432

約数和(自身を除く): 86429044

約数列:

[1, 2, 4, 71, 142, 284, 392857, 785714, 1571428, 27892847, 55785694, 111571388]

約数ペア:

[(1, 111571388), (2, 55785694), (4, 27892847), (71, 1571428), (142, 785714), (284, 392857)]