81559552

素因数分解:

$2^{15}\times {\mathrm{19}}^1\times {\mathrm{131}}^1$

素因数の和:180

約数の個数: 64

約数和(自身を含む): 173012400

約数和(自身を除く): 91452848

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 64, 76, 128, 131, 152, 256, 262, 304, 512, 524, 608, 1024, 1048, 1216, 2048, 2096, 2432, 2489, 4096, 4192, 4864, 4978, 8192, 8384, 9728, 9956, 16384, 16768, 19456, 19912, 32768, 33536, 38912, 39824, 67072, 77824, 79648, 134144, 155648, 159296, 268288, 311296, 318592, 536576, 622592, 637184, 1073152, 1274368, 2146304, 2548736, 4292608, 5097472, 10194944, 20389888, 40779776, 81559552]

約数ペア:

[(1, 81559552), (2, 40779776), (4, 20389888), (8, 10194944), (16, 5097472), (19, 4292608), (32, 2548736), (38, 2146304), (64, 1274368), (76, 1073152), (128, 637184), (131, 622592), (152, 536576), (256, 318592), (262, 311296), (304, 268288), (512, 159296), (524, 155648), (608, 134144), (1024, 79648), (1048, 77824), (1216, 67072), (2048, 39824), (2096, 38912), (2432, 33536), (2489, 32768), (4096, 19912), (4192, 19456), (4864, 16768), (4978, 16384), (8192, 9956), (8384, 9728)]