15963925

素因数分解:

$5^2\times {\mathrm{59}}^1\times {\mathrm{79}}^1\times {\mathrm{137}}^1$

素因数の和:285

約数の個数: 24

約数和(自身を含む): 20534400

約数和(自身を除く): 4570475

約数列:

[1, 5, 25, 59, 79, 137, 295, 395, 685, 1475, 1975, 3425, 4661, 8083, 10823, 23305, 40415, 54115, 116525, 202075, 270575, 638557, 3192785, 15963925]

約数ペア:

[(1, 15963925), (5, 3192785), (25, 638557), (59, 270575), (79, 202075), (137, 116525), (295, 54115), (395, 40415), (685, 23305), (1475, 10823), (1975, 8083), (3425, 4661)]