8165915

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{1999}}^1$

素因数の和:2066

約数の個数: 16

約数和(自身を含む): 10560000

約数和(自身を除く): 2394085

約数列:

[1, 5, 19, 43, 95, 215, 817, 1999, 4085, 9995, 37981, 85957, 189905, 429785, 1633183, 8165915]

約数ペア:

[(1, 8165915), (5, 1633183), (19, 429785), (43, 189905), (95, 85957), (215, 37981), (817, 9995), (1999, 4085)]