31991725

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{1433}}^1$

素因数の和:1509

約数の個数: 24

約数和(自身を含む): 42675840

約数和(自身を除く): 10684115

約数列:

[1, 5, 19, 25, 47, 95, 235, 475, 893, 1175, 1433, 4465, 7165, 22325, 27227, 35825, 67351, 136135, 336755, 680675, 1279669, 1683775, 6398345, 31991725]

約数ペア:

[(1, 31991725), (5, 6398345), (19, 1683775), (25, 1279669), (47, 680675), (95, 336755), (235, 136135), (475, 67351), (893, 35825), (1175, 27227), (1433, 22325), (4465, 7165)]