26840513

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{179}}^1\times {\mathrm{691}}^1$

素因数の和:908

約数の個数: 16

約数和(自身を含む): 31887360

約数和(自身を除く): 5046847

約数列:

[1, 7, 31, 179, 217, 691, 1253, 4837, 5549, 21421, 38843, 123689, 149947, 865823, 3834359, 26840513]

約数ペア:

[(1, 26840513), (7, 3834359), (31, 865823), (179, 149947), (217, 123689), (691, 38843), (1253, 21421), (4837, 5549)]