81029144

素因数分解:

$2^3\times 7^2\times {\mathrm{97}}^1\times {\mathrm{2131}}^1$

素因数の和:2248

約数の個数: 48

約数和(自身を含む): 178640280

約数和(自身を除く): 97611136

約数列:

[1, 2, 4, 7, 8, 14, 28, 49, 56, 97, 98, 194, 196, 388, 392, 679, 776, 1358, 2131, 2716, 4262, 4753, 5432, 8524, 9506, 14917, 17048, 19012, 29834, 38024, 59668, 104419, 119336, 206707, 208838, 413414, 417676, 826828, 835352, 1446949, 1653656, 2893898, 5787796, 10128643, 11575592, 20257286, 40514572, 81029144]

約数ペア:

[(1, 81029144), (2, 40514572), (4, 20257286), (7, 11575592), (8, 10128643), (14, 5787796), (28, 2893898), (49, 1653656), (56, 1446949), (97, 835352), (98, 826828), (194, 417676), (196, 413414), (388, 208838), (392, 206707), (679, 119336), (776, 104419), (1358, 59668), (2131, 38024), (2716, 29834), (4262, 19012), (4753, 17048), (5432, 14917), (8524, 9506)]