257398836

素因数分解:

$2^2\times 3^1\times {\mathrm{17}}^1\times {\mathrm{1261759}}^1$

素因数の和:1261783

約数の個数: 24

約数和(自身を含む): 635927040

約数和(自身を除く): 378528204

約数列:

[1, 2, 3, 4, 6, 12, 17, 34, 51, 68, 102, 204, 1261759, 2523518, 3785277, 5047036, 7570554, 15141108, 21449903, 42899806, 64349709, 85799612, 128699418, 257398836]

約数ペア:

[(1, 257398836), (2, 128699418), (3, 85799612), (4, 64349709), (6, 42899806), (12, 21449903), (17, 15141108), (34, 7570554), (51, 5047036), (68, 3785277), (102, 2523518), (204, 1261759)]