81641344

素因数分解:

$2^7\times {\mathrm{17}}^2\times {\mathrm{2207}}^1$

素因数の和:2255

約数の個数: 48

約数和(自身を含む): 172853280

約数和(自身を除く): 91211936

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 64, 68, 128, 136, 272, 289, 544, 578, 1088, 1156, 2176, 2207, 2312, 4414, 4624, 8828, 9248, 17656, 18496, 35312, 36992, 37519, 70624, 75038, 141248, 150076, 282496, 300152, 600304, 637823, 1200608, 1275646, 2401216, 2551292, 4802432, 5102584, 10205168, 20410336, 40820672, 81641344]

約数ペア:

[(1, 81641344), (2, 40820672), (4, 20410336), (8, 10205168), (16, 5102584), (17, 4802432), (32, 2551292), (34, 2401216), (64, 1275646), (68, 1200608), (128, 637823), (136, 600304), (272, 300152), (289, 282496), (544, 150076), (578, 141248), (1088, 75038), (1156, 70624), (2176, 37519), (2207, 36992), (2312, 35312), (4414, 18496), (4624, 17656), (8828, 9248)]