28351325

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{3511}}^1$

素因数の和:3557

約数の個数: 24

約数和(自身を含む): 39193920

約数和(自身を除く): 10842595

約数列:

[1, 5, 17, 19, 25, 85, 95, 323, 425, 475, 1615, 3511, 8075, 17555, 59687, 66709, 87775, 298435, 333545, 1134053, 1492175, 1667725, 5670265, 28351325]

約数ペア:

[(1, 28351325), (5, 5670265), (17, 1667725), (19, 1492175), (25, 1134053), (85, 333545), (95, 298435), (323, 87775), (425, 66709), (475, 59687), (1615, 17555), (3511, 8075)]