257799025

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{15889}}^1$

素因数の和:15969

約数の個数: 24

約数和(自身を含む): 354664800

約数和(自身を除く): 96865775

約数列:

[1, 5, 11, 25, 55, 59, 275, 295, 649, 1475, 3245, 15889, 16225, 79445, 174779, 397225, 873895, 937451, 4369475, 4687255, 10311961, 23436275, 51559805, 257799025]

約数ペア:

[(1, 257799025), (5, 51559805), (11, 23436275), (25, 10311961), (55, 4687255), (59, 4369475), (275, 937451), (295, 873895), (649, 397225), (1475, 174779), (3245, 79445), (15889, 16225)]