2109558715

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{891991}}^1$

素因数の和:892050

約数の個数: 16

約数和(自身を含む): 2825830656

約数和(自身を除く): 716271941

約数列:

[1, 5, 11, 43, 55, 215, 473, 2365, 891991, 4459955, 9811901, 38355613, 49059505, 191778065, 421911743, 2109558715]

約数ペア:

[(1, 2109558715), (5, 421911743), (11, 191778065), (43, 49059505), (55, 38355613), (215, 9811901), (473, 4459955), (2365, 891991)]