81489886

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{233}}^1\times {\mathrm{5641}}^1$

素因数の和:5907

約数の個数: 16

約数和(自身を含む): 126741888

約数和(自身を除く): 45252002

約数列:

[1, 2, 31, 62, 233, 466, 5641, 7223, 11282, 14446, 174871, 349742, 1314353, 2628706, 40744943, 81489886]

約数ペア:

[(1, 81489886), (2, 40744943), (31, 2628706), (62, 1314353), (233, 349742), (466, 174871), (5641, 14446), (7223, 11282)]