2005128892

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{71}}^1\times {\mathrm{41777}}^1$

素因数の和:41878

約数の個数: 36

約数和(自身を含む): 3853268496

約数和(自身を除く): 1848139604

約数列:

[1, 2, 4, 13, 26, 52, 71, 142, 169, 284, 338, 676, 923, 1846, 3692, 11999, 23998, 41777, 47996, 83554, 167108, 543101, 1086202, 2172404, 2966167, 5932334, 7060313, 11864668, 14120626, 28241252, 38560171, 77120342, 154240684, 501282223, 1002564446, 2005128892]

約数ペア:

[(1, 2005128892), (2, 1002564446), (4, 501282223), (13, 154240684), (26, 77120342), (52, 38560171), (71, 28241252), (142, 14120626), (169, 11864668), (284, 7060313), (338, 5932334), (676, 2966167), (923, 2172404), (1846, 1086202), (3692, 543101), (11999, 167108), (23998, 83554), (41777, 47996)]