9781564

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{188107}}^1$

素因数の和:188124

約数の個数: 12

約数和(自身を含む): 18434584

約数和(自身を除く): 8653020

約数列:

[1, 2, 4, 13, 26, 52, 188107, 376214, 752428, 2445391, 4890782, 9781564]

約数ペア:

[(1, 9781564), (2, 4890782), (4, 2445391), (13, 752428), (26, 376214), (52, 188107)]