81225728

素因数分解:

$2^{11}\times {\mathrm{17}}^1\times {\mathrm{2333}}^1$

素因数の和:2372

約数の個数: 48

約数和(自身を含む): 172039140

約数和(自身を除く): 90813412

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 64, 68, 128, 136, 256, 272, 512, 544, 1024, 1088, 2048, 2176, 2333, 4352, 4666, 8704, 9332, 17408, 18664, 34816, 37328, 39661, 74656, 79322, 149312, 158644, 298624, 317288, 597248, 634576, 1194496, 1269152, 2388992, 2538304, 4777984, 5076608, 10153216, 20306432, 40612864, 81225728]

約数ペア:

[(1, 81225728), (2, 40612864), (4, 20306432), (8, 10153216), (16, 5076608), (17, 4777984), (32, 2538304), (34, 2388992), (64, 1269152), (68, 1194496), (128, 634576), (136, 597248), (256, 317288), (272, 298624), (512, 158644), (544, 149312), (1024, 79322), (1088, 74656), (2048, 39661), (2176, 37328), (2333, 34816), (4352, 18664), (4666, 17408), (8704, 9332)]