81869942

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{531623}}^1$

素因数の和:531643

約数の個数: 16

約数和(自身を含む): 153107712

約数和(自身を除く): 71237770

約数列:

[1, 2, 7, 11, 14, 22, 77, 154, 531623, 1063246, 3721361, 5847853, 7442722, 11695706, 40934971, 81869942]

約数ペア:

[(1, 81869942), (2, 40934971), (7, 11695706), (11, 7442722), (14, 5847853), (22, 3721361), (77, 1063246), (154, 531623)]