81006128

素因数分解:

$2^4\times 7^1\times {\mathrm{723269}}^1$

素因数の和:723284

約数の個数: 20

約数和(自身を含む): 179370960

約数和(自身を除く): 98364832

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 723269, 1446538, 2893076, 5062883, 5786152, 10125766, 11572304, 20251532, 40503064, 81006128]

約数ペア:

[(1, 81006128), (2, 40503064), (4, 20251532), (7, 11572304), (8, 10125766), (14, 5786152), (16, 5062883), (28, 2893076), (56, 1446538), (112, 723269)]