899383513

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{131}}^1\times {\mathrm{42643}}^1$

素因数の和:42804

約数の個数: 16

約数和(自身を含む): 1080769536

約数和(自身を除く): 181386023

約数列:

[1, 7, 23, 131, 161, 917, 3013, 21091, 42643, 298501, 980789, 5586233, 6865523, 39103631, 128483359, 899383513]

約数ペア:

[(1, 899383513), (7, 128483359), (23, 39103631), (131, 6865523), (161, 5586233), (917, 980789), (3013, 298501), (21091, 42643)]