1990884

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{137}}^1\times {\mathrm{173}}^1$

素因数の和:324

約数の個数: 48

約数和(自身を含む): 5378688

約数和(自身を除く): 3387804

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 137, 173, 274, 346, 411, 519, 548, 692, 822, 959, 1038, 1211, 1644, 1918, 2076, 2422, 2877, 3633, 3836, 4844, 5754, 7266, 11508, 14532, 23701, 47402, 71103, 94804, 142206, 165907, 284412, 331814, 497721, 663628, 995442, 1990884]

約数ペア:

[(1, 1990884), (2, 995442), (3, 663628), (4, 497721), (6, 331814), (7, 284412), (12, 165907), (14, 142206), (21, 94804), (28, 71103), (42, 47402), (84, 23701), (137, 14532), (173, 11508), (274, 7266), (346, 5754), (411, 4844), (519, 3836), (548, 3633), (692, 2877), (822, 2422), (959, 2076), (1038, 1918), (1211, 1644)]