28108975

素因数分解:

$5^2\times {\mathrm{29}}^1\times {\mathrm{137}}^1\times {\mathrm{283}}^1$

素因数の和:459

約数の個数: 24

約数和(自身を含む): 36448560

約数和(自身を除く): 8339585

約数列:

[1, 5, 25, 29, 137, 145, 283, 685, 725, 1415, 3425, 3973, 7075, 8207, 19865, 38771, 41035, 99325, 193855, 205175, 969275, 1124359, 5621795, 28108975]

約数ペア:

[(1, 28108975), (5, 5621795), (25, 1124359), (29, 969275), (137, 205175), (145, 193855), (283, 99325), (685, 41035), (725, 38771), (1415, 19865), (3425, 8207), (3973, 7075)]