81646672

素因数分解:

$2^4\times {\mathrm{443}}^1\times {\mathrm{11519}}^1$

素因数の和:11970

約数の個数: 20

約数和(自身を含む): 158561280

約数和(自身を除く): 76914608

約数列:

[1, 2, 4, 8, 16, 443, 886, 1772, 3544, 7088, 11519, 23038, 46076, 92152, 184304, 5102917, 10205834, 20411668, 40823336, 81646672]

約数ペア:

[(1, 81646672), (2, 40823336), (4, 20411668), (8, 10205834), (16, 5102917), (443, 184304), (886, 92152), (1772, 46076), (3544, 23038), (7088, 11519)]