28338215

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{317}}^1\times {\mathrm{941}}^1$

素因数の和:1282

約数の個数: 16

約数和(自身を含む): 35946720

約数和(自身を除く): 7608505

約数列:

[1, 5, 19, 95, 317, 941, 1585, 4705, 6023, 17879, 30115, 89395, 298297, 1491485, 5667643, 28338215]

約数ペア:

[(1, 28338215), (5, 5667643), (19, 1491485), (95, 298297), (317, 89395), (941, 30115), (1585, 17879), (4705, 6023)]