12781644865

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{5404501}}^1$

素因数の和:5404560

約数の個数: 16

約数和(自身を含む): 17121462336

約数和(自身を除く): 4339817471

約数列:

[1, 5, 11, 43, 55, 215, 473, 2365, 5404501, 27022505, 59449511, 232393543, 297247555, 1161967715, 2556328973, 12781644865]

約数ペア:

[(1, 12781644865), (5, 2556328973), (11, 1161967715), (43, 297247555), (55, 232393543), (215, 59449511), (473, 27022505), (2365, 5404501)]