2181728416

素因数分解:

$2^5\times 7^1\times {\mathrm{31}}^1\times {\mathrm{314189}}^1$

素因数の和:314237

約数の個数: 48

約数和(自身を含む): 5067256320

約数和(自身を除く): 2885527904

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 32, 56, 62, 112, 124, 217, 224, 248, 434, 496, 868, 992, 1736, 3472, 6944, 314189, 628378, 1256756, 2199323, 2513512, 4398646, 5027024, 8797292, 9739859, 10054048, 17594584, 19479718, 35189168, 38959436, 68179013, 70378336, 77918872, 136358026, 155837744, 272716052, 311675488, 545432104, 1090864208, 2181728416]

約数ペア:

[(1, 2181728416), (2, 1090864208), (4, 545432104), (7, 311675488), (8, 272716052), (14, 155837744), (16, 136358026), (28, 77918872), (31, 70378336), (32, 68179013), (56, 38959436), (62, 35189168), (112, 19479718), (124, 17594584), (217, 10054048), (224, 9739859), (248, 8797292), (434, 5027024), (496, 4398646), (868, 2513512), (992, 2199323), (1736, 1256756), (3472, 628378), (6944, 314189)]