28145005

素因数分解:

$5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{18701}}^1$

素因数の和:18756

約数の個数: 16

約数和(自身を含む): 39498624

約数和(自身を除く): 11353619

約数列:

[1, 5, 7, 35, 43, 215, 301, 1505, 18701, 93505, 130907, 654535, 804143, 4020715, 5629001, 28145005]

約数ペア:

[(1, 28145005), (5, 5629001), (7, 4020715), (35, 804143), (43, 654535), (215, 130907), (301, 93505), (1505, 18701)]