890172865

素因数分解:

$5^1\times {\mathrm{103}}^1\times {\mathrm{653}}^1\times {\mathrm{2647}}^1$

素因数の和:3408

約数の個数: 16

約数和(自身を含む): 1080638208

約数和(自身を除く): 190465343

約数列:

[1, 5, 103, 515, 653, 2647, 3265, 13235, 67259, 272641, 336295, 1363205, 1728491, 8642455, 178034573, 890172865]

約数ペア:

[(1, 890172865), (5, 178034573), (103, 8642455), (515, 1728491), (653, 1363205), (2647, 336295), (3265, 272641), (13235, 67259)]