80878252

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{222193}}^1$

素因数の和:222217

約数の個数: 24

約数和(自身を含む): 174200096

約数和(自身を除く): 93321844

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 182, 364, 222193, 444386, 888772, 1555351, 2888509, 3110702, 5777018, 6221404, 11554036, 20219563, 40439126, 80878252]

約数ペア:

[(1, 80878252), (2, 40439126), (4, 20219563), (7, 11554036), (13, 6221404), (14, 5777018), (26, 3110702), (28, 2888509), (52, 1555351), (91, 888772), (182, 444386), (364, 222193)]