81384436

素因数分解:

$2^2\times 7^1\times {\mathrm{383}}^1\times {\mathrm{7589}}^1$

素因数の和:7983

約数の個数: 24

約数和(自身を含む): 163215360

約数和(自身を除く): 81830924

約数列:

[1, 2, 4, 7, 14, 28, 383, 766, 1532, 2681, 5362, 7589, 10724, 15178, 30356, 53123, 106246, 212492, 2906587, 5813174, 11626348, 20346109, 40692218, 81384436]

約数ペア:

[(1, 81384436), (2, 40692218), (4, 20346109), (7, 11626348), (14, 5813174), (28, 2906587), (383, 212492), (766, 106246), (1532, 53123), (2681, 30356), (5362, 15178), (7589, 10724)]