1390439183

素因数分解:

$7^1\times {\mathrm{263}}^1\times {\mathrm{691}}^1\times {\mathrm{1093}}^1$

素因数の和:2054

約数の個数: 16

約数和(自身を含む): 1598885376

約数和(自身を除く): 208446193

約数列:

[1, 7, 263, 691, 1093, 1841, 4837, 7651, 181733, 287459, 755263, 1272131, 2012213, 5286841, 198634169, 1390439183]

約数ペア:

[(1, 1390439183), (7, 198634169), (263, 5286841), (691, 2012213), (1093, 1272131), (1841, 755263), (4837, 287459), (7651, 181733)]