42638552

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{499}}^1\times {\mathrm{971}}^1$

素因数の和:1487

約数の個数: 32

約数和(自身を含む): 87480000

約数和(自身を除く): 44841448

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 499, 971, 998, 1942, 1996, 3884, 3992, 5489, 7768, 10681, 10978, 21362, 21956, 42724, 43912, 85448, 484529, 969058, 1938116, 3876232, 5329819, 10659638, 21319276, 42638552]

約数ペア:

[(1, 42638552), (2, 21319276), (4, 10659638), (8, 5329819), (11, 3876232), (22, 1938116), (44, 969058), (88, 484529), (499, 85448), (971, 43912), (998, 42724), (1942, 21956), (1996, 21362), (3884, 10978), (3992, 10681), (5489, 7768)]