720784256

素因数分解:

$2^7\times {\mathrm{257}}^1\times {\mathrm{21911}}^1$

素因数の和:22182

約数の個数: 32

約数和(自身を含む): 1441590480

約数和(自身を除く): 720806224

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 257, 514, 1028, 2056, 4112, 8224, 16448, 21911, 32896, 43822, 87644, 175288, 350576, 701152, 1402304, 2804608, 5631127, 11262254, 22524508, 45049016, 90098032, 180196064, 360392128, 720784256]

約数ペア:

[(1, 720784256), (2, 360392128), (4, 180196064), (8, 90098032), (16, 45049016), (32, 22524508), (64, 11262254), (128, 5631127), (257, 2804608), (514, 1402304), (1028, 701152), (2056, 350576), (4112, 175288), (8224, 87644), (16448, 43822), (21911, 32896)]