217321216

素因数分解:

$2^8\times 7^1\times {\mathrm{173}}^1\times {\mathrm{701}}^1$

素因数の和:897

約数の個数: 72

約数和(自身を含む): 499341024

約数和(自身を除く): 282019808

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 173, 224, 256, 346, 448, 692, 701, 896, 1211, 1384, 1402, 1792, 2422, 2768, 2804, 4844, 4907, 5536, 5608, 9688, 9814, 11072, 11216, 19376, 19628, 22144, 22432, 38752, 39256, 44288, 44864, 77504, 78512, 89728, 121273, 155008, 157024, 179456, 242546, 310016, 314048, 485092, 628096, 848911, 970184, 1256192, 1697822, 1940368, 3395644, 3880736, 6791288, 7761472, 13582576, 15522944, 27165152, 31045888, 54330304, 108660608, 217321216]

約数ペア:

[(1, 217321216), (2, 108660608), (4, 54330304), (7, 31045888), (8, 27165152), (14, 15522944), (16, 13582576), (28, 7761472), (32, 6791288), (56, 3880736), (64, 3395644), (112, 1940368), (128, 1697822), (173, 1256192), (224, 970184), (256, 848911), (346, 628096), (448, 485092), (692, 314048), (701, 310016), (896, 242546), (1211, 179456), (1384, 157024), (1402, 155008), (1792, 121273), (2422, 89728), (2768, 78512), (2804, 77504), (4844, 44864), (4907, 44288), (5536, 39256), (5608, 38752), (9688, 22432), (9814, 22144), (11072, 19628), (11216, 19376)]