25225448

素因数分解:

$2^3\times {\mathrm{71}}^1\times {\mathrm{89}}^1\times {\mathrm{499}}^1$

素因数の和:665

約数の個数: 32

約数和(自身を含む): 48600000

約数和(自身を除く): 23374552

約数列:

[1, 2, 4, 8, 71, 89, 142, 178, 284, 356, 499, 568, 712, 998, 1996, 3992, 6319, 12638, 25276, 35429, 44411, 50552, 70858, 88822, 141716, 177644, 283432, 355288, 3153181, 6306362, 12612724, 25225448]

約数ペア:

[(1, 25225448), (2, 12612724), (4, 6306362), (8, 3153181), (71, 355288), (89, 283432), (142, 177644), (178, 141716), (284, 88822), (356, 70858), (499, 50552), (568, 44411), (712, 35429), (998, 25276), (1996, 12638), (3992, 6319)]