4247875

素因数分解:

$5^3\times {\mathrm{17}}^1\times {\mathrm{1999}}^1$

素因数の和:2031

約数の個数: 16

約数和(自身を含む): 5616000

約数和(自身を除く): 1368125

約数列:

[1, 5, 17, 25, 85, 125, 425, 1999, 2125, 9995, 33983, 49975, 169915, 249875, 849575, 4247875]

約数ペア:

[(1, 4247875), (5, 849575), (17, 249875), (25, 169915), (85, 49975), (125, 33983), (425, 9995), (1999, 2125)]