8398855

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{211}}^1\times {\mathrm{419}}^1$

素因数の和:654

約数の個数: 16

約数和(自身を含む): 10684800

約数和(自身を除く): 2285945

約数列:

[1, 5, 19, 95, 211, 419, 1055, 2095, 4009, 7961, 20045, 39805, 88409, 442045, 1679771, 8398855]

約数ペア:

[(1, 8398855), (5, 1679771), (19, 442045), (95, 88409), (211, 39805), (419, 20045), (1055, 7961), (2095, 4009)]