28217245

素因数分解:

$5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{18749}}^1$

素因数の和:18804

約数の個数: 16

約数和(自身を含む): 39600000

約数和(自身を除く): 11382755

約数列:

[1, 5, 7, 35, 43, 215, 301, 1505, 18749, 93745, 131243, 656215, 806207, 4031035, 5643449, 28217245]

約数ペア:

[(1, 28217245), (5, 5643449), (7, 4031035), (35, 806207), (43, 656215), (215, 131243), (301, 93745), (1505, 18749)]