13090525

素因数分解:

$5^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{127}}^1$

素因数の和:194

約数の個数: 48

約数和(自身を含む): 20316160

約数和(自身を除く): 7225635

約数列:

[1, 5, 7, 19, 25, 31, 35, 95, 127, 133, 155, 175, 217, 475, 589, 635, 665, 775, 889, 1085, 2413, 2945, 3175, 3325, 3937, 4123, 4445, 5425, 12065, 14725, 16891, 19685, 20615, 22225, 27559, 60325, 74803, 84455, 98425, 103075, 137795, 374015, 422275, 523621, 688975, 1870075, 2618105, 13090525]

約数ペア:

[(1, 13090525), (5, 2618105), (7, 1870075), (19, 688975), (25, 523621), (31, 422275), (35, 374015), (95, 137795), (127, 103075), (133, 98425), (155, 84455), (175, 74803), (217, 60325), (475, 27559), (589, 22225), (635, 20615), (665, 19685), (775, 16891), (889, 14725), (1085, 12065), (2413, 5425), (2945, 4445), (3175, 4123), (3325, 3937)]