989780183

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{198313}}^1$

素因数の和:198374

約数の個数: 16

約数和(自身を含む): 1218441216

約数和(自身を除く): 228661033

約数列:

[1, 7, 23, 31, 161, 217, 713, 4991, 198313, 1388191, 4561199, 6147703, 31928393, 43033921, 141397169, 989780183]

約数ペア:

[(1, 989780183), (7, 141397169), (23, 43033921), (31, 31928393), (161, 6147703), (217, 4561199), (713, 1388191), (4991, 198313)]