9995995

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{2447}}^1$

素因数の和:2514

約数の個数: 16

約数和(自身を含む): 12925440

約数和(自身を除く): 2929445

約数列:

[1, 5, 19, 43, 95, 215, 817, 2447, 4085, 12235, 46493, 105221, 232465, 526105, 1999199, 9995995]

約数ペア:

[(1, 9995995), (5, 1999199), (19, 526105), (43, 232465), (95, 105221), (215, 46493), (817, 12235), (2447, 4085)]