289419218

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{1999}}^1\times {\mathrm{6581}}^1$

素因数の和:8593

約数の個数: 16

約数和(自身を含む): 473904000

約数和(自身を除く): 184484782

約数列:

[1, 2, 11, 22, 1999, 3998, 6581, 13162, 21989, 43978, 72391, 144782, 13155419, 26310838, 144709609, 289419218]

約数ペア:

[(1, 289419218), (2, 144709609), (11, 26310838), (22, 13155419), (1999, 144782), (3998, 72391), (6581, 43978), (13162, 21989)]