28001725

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{167}}^1\times {\mathrm{353}}^1$

素因数の和:549

約数の個数: 24

約数和(自身を含む): 36872640

約数和(自身を除く): 8870915

約数列:

[1, 5, 19, 25, 95, 167, 353, 475, 835, 1765, 3173, 4175, 6707, 8825, 15865, 33535, 58951, 79325, 167675, 294755, 1120069, 1473775, 5600345, 28001725]

約数ペア:

[(1, 28001725), (5, 5600345), (19, 1473775), (25, 1120069), (95, 294755), (167, 167675), (353, 79325), (475, 58951), (835, 33535), (1765, 15865), (3173, 8825), (4175, 6707)]