81989824

素因数分解:

$2^6\times 7^1\times {\mathrm{197}}^1\times {\mathrm{929}}^1$

素因数の和:1145

約数の個数: 56

約数和(自身を含む): 187086240

約数和(自身を除く): 105096416

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 197, 224, 394, 448, 788, 929, 1379, 1576, 1858, 2758, 3152, 3716, 5516, 6304, 6503, 7432, 11032, 12608, 13006, 14864, 22064, 26012, 29728, 44128, 52024, 59456, 88256, 104048, 183013, 208096, 366026, 416192, 732052, 1281091, 1464104, 2562182, 2928208, 5124364, 5856416, 10248728, 11712832, 20497456, 40994912, 81989824]

約数ペア:

[(1, 81989824), (2, 40994912), (4, 20497456), (7, 11712832), (8, 10248728), (14, 5856416), (16, 5124364), (28, 2928208), (32, 2562182), (56, 1464104), (64, 1281091), (112, 732052), (197, 416192), (224, 366026), (394, 208096), (448, 183013), (788, 104048), (929, 88256), (1379, 59456), (1576, 52024), (1858, 44128), (2758, 29728), (3152, 26012), (3716, 22064), (5516, 14864), (6304, 13006), (6503, 12608), (7432, 11032)]