28217755

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{317}}^1\times {\mathrm{937}}^1$

素因数の和:1278

約数の個数: 16

約数和(自身を含む): 35794080

約数和(自身を除く): 7576325

約数列:

[1, 5, 19, 95, 317, 937, 1585, 4685, 6023, 17803, 30115, 89015, 297029, 1485145, 5643551, 28217755]

約数ペア:

[(1, 28217755), (5, 5643551), (19, 1485145), (95, 297029), (317, 89015), (937, 30115), (1585, 17803), (4685, 6023)]