28491365

素因数分解:

$5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{35393}}^1$

素因数の和:35428

約数の個数: 16

約数和(自身を含む): 40773888

約数和(自身を除く): 12282523

約数列:

[1, 5, 7, 23, 35, 115, 161, 805, 35393, 176965, 247751, 814039, 1238755, 4070195, 5698273, 28491365]

約数ペア:

[(1, 28491365), (5, 5698273), (7, 4070195), (23, 1238755), (35, 814039), (115, 247751), (161, 176965), (805, 35393)]