2005042556

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{641819}}^1$

素因数の和:641905

約数の個数: 24

約数和(自身を含む): 3881727360

約数和(自身を除く): 1876684804

約数列:

[1, 2, 4, 11, 22, 44, 71, 142, 284, 781, 1562, 3124, 641819, 1283638, 2567276, 7060009, 14120018, 28240036, 45569149, 91138298, 182276596, 501260639, 1002521278, 2005042556]

約数ペア:

[(1, 2005042556), (2, 1002521278), (4, 501260639), (11, 182276596), (22, 91138298), (44, 45569149), (71, 28240036), (142, 14120018), (284, 7060009), (781, 2567276), (1562, 1283638), (3124, 641819)]