40380557

素因数分解:

$7^2\times {\mathrm{29}}^1\times {\mathrm{157}}^1\times {\mathrm{181}}^1$

素因数の和:381

約数の個数: 24

約数和(自身を含む): 49172760

約数和(自身を除く): 8792203

約数列:

[1, 7, 29, 49, 157, 181, 203, 1099, 1267, 1421, 4553, 5249, 7693, 8869, 28417, 31871, 36743, 198919, 223097, 257201, 824093, 1392433, 5768651, 40380557]

約数ペア:

[(1, 40380557), (7, 5768651), (29, 1392433), (49, 824093), (157, 257201), (181, 223097), (203, 198919), (1099, 36743), (1267, 31871), (1421, 28417), (4553, 8869), (5249, 7693)]