81422048

素因数分解:

$2^5\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{1259}}^1$

素因数の和:1359

約数の個数: 48

約数和(自身を含む): 167650560

約数和(自身を除く): 86228512

約数列:

[1, 2, 4, 8, 16, 32, 43, 47, 86, 94, 172, 188, 344, 376, 688, 752, 1259, 1376, 1504, 2021, 2518, 4042, 5036, 8084, 10072, 16168, 20144, 32336, 40288, 54137, 59173, 64672, 108274, 118346, 216548, 236692, 433096, 473384, 866192, 946768, 1732384, 1893536, 2544439, 5088878, 10177756, 20355512, 40711024, 81422048]

約数ペア:

[(1, 81422048), (2, 40711024), (4, 20355512), (8, 10177756), (16, 5088878), (32, 2544439), (43, 1893536), (47, 1732384), (86, 946768), (94, 866192), (172, 473384), (188, 433096), (344, 236692), (376, 216548), (688, 118346), (752, 108274), (1259, 64672), (1376, 59173), (1504, 54137), (2021, 40288), (2518, 32336), (4042, 20144), (5036, 16168), (8084, 10072)]