131686891

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{43049}}^1$

素因数の和:43098

約数の個数: 16

約数和(自身を含む): 165312000

約数和(自身を除く): 33625109

約数列:

[1, 7, 19, 23, 133, 161, 437, 3059, 43049, 301343, 817931, 990127, 5725517, 6930889, 18812413, 131686891]

約数ペア:

[(1, 131686891), (7, 18812413), (19, 6930889), (23, 5725517), (133, 990127), (161, 817931), (437, 301343), (3059, 43049)]