1399681538

素因数分解:

$2^1\times {\mathrm{313}}^1\times {\mathrm{857}}^1\times {\mathrm{2609}}^1$

素因数の和:3781

約数の個数: 16

約数和(自身を含む): 2109495960

約数和(自身を除く): 709814422

約数列:

[1, 2, 313, 626, 857, 1714, 2609, 5218, 268241, 536482, 816617, 1633234, 2235913, 4471826, 699840769, 1399681538]

約数ペア:

[(1, 1399681538), (2, 699840769), (313, 4471826), (626, 2235913), (857, 1633234), (1714, 816617), (2609, 536482), (5218, 268241)]