2011490492

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{643883}}^1$

素因数の和:643969

約数の個数: 24

約数和(自身を含む): 3894210432

約数和(自身を除く): 1882719940

約数列:

[1, 2, 4, 11, 22, 44, 71, 142, 284, 781, 1562, 3124, 643883, 1287766, 2575532, 7082713, 14165426, 28330852, 45715693, 91431386, 182862772, 502872623, 1005745246, 2011490492]

約数ペア:

[(1, 2011490492), (2, 1005745246), (4, 502872623), (11, 182862772), (22, 91431386), (44, 45715693), (71, 28330852), (142, 14165426), (284, 7082713), (781, 2575532), (1562, 1287766), (3124, 643883)]