2004128

素因数分解:

$2^5\times 7^1\times {\mathrm{23}}^1\times {\mathrm{389}}^1$

素因数の和:429

約数の個数: 48

約数和(自身を含む): 4717440

約数和(自身を除く): 2713312

約数列:

[1, 2, 4, 7, 8, 14, 16, 23, 28, 32, 46, 56, 92, 112, 161, 184, 224, 322, 368, 389, 644, 736, 778, 1288, 1556, 2576, 2723, 3112, 5152, 5446, 6224, 8947, 10892, 12448, 17894, 21784, 35788, 43568, 62629, 71576, 87136, 125258, 143152, 250516, 286304, 501032, 1002064, 2004128]

約数ペア:

[(1, 2004128), (2, 1002064), (4, 501032), (7, 286304), (8, 250516), (14, 143152), (16, 125258), (23, 87136), (28, 71576), (32, 62629), (46, 43568), (56, 35788), (92, 21784), (112, 17894), (161, 12448), (184, 10892), (224, 8947), (322, 6224), (368, 5446), (389, 5152), (644, 3112), (736, 2723), (778, 2576), (1288, 1556)]