3991045

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{977}}^1$

素因数の和:1044

約数の個数: 16

約数和(自身を含む): 5163840

約数和(自身を除く): 1172795

約数列:

[1, 5, 19, 43, 95, 215, 817, 977, 4085, 4885, 18563, 42011, 92815, 210055, 798209, 3991045]

約数ペア:

[(1, 3991045), (5, 798209), (19, 210055), (43, 92815), (95, 42011), (215, 18563), (817, 4885), (977, 4085)]