81668864

素因数分解:

$2^8\times {\mathrm{263}}^1\times {\mathrm{1213}}^1$

素因数の和:1492

約数の個数: 36

約数和(自身を含む): 163773456

約数和(自身を除く): 82104592

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 256, 263, 526, 1052, 1213, 2104, 2426, 4208, 4852, 8416, 9704, 16832, 19408, 33664, 38816, 67328, 77632, 155264, 310528, 319019, 638038, 1276076, 2552152, 5104304, 10208608, 20417216, 40834432, 81668864]

約数ペア:

[(1, 81668864), (2, 40834432), (4, 20417216), (8, 10208608), (16, 5104304), (32, 2552152), (64, 1276076), (128, 638038), (256, 319019), (263, 310528), (526, 155264), (1052, 77632), (1213, 67328), (2104, 38816), (2426, 33664), (4208, 19408), (4852, 16832), (8416, 9704)]