2488976

素因数分解:

$2^4\times 7^1\times {\mathrm{71}}^1\times {\mathrm{313}}^1$

素因数の和:399

約数の個数: 40

約数和(自身を含む): 5606784

約数和(自身を除く): 3117808

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 71, 112, 142, 284, 313, 497, 568, 626, 994, 1136, 1252, 1988, 2191, 2504, 3976, 4382, 5008, 7952, 8764, 17528, 22223, 35056, 44446, 88892, 155561, 177784, 311122, 355568, 622244, 1244488, 2488976]

約数ペア:

[(1, 2488976), (2, 1244488), (4, 622244), (7, 355568), (8, 311122), (14, 177784), (16, 155561), (28, 88892), (56, 44446), (71, 35056), (112, 22223), (142, 17528), (284, 8764), (313, 7952), (497, 5008), (568, 4382), (626, 3976), (994, 2504), (1136, 2191), (1252, 1988)]