28913248

素因数分解:

$2^5\times 7^1\times {\mathrm{13}}^1\times {\mathrm{9929}}^1$

素因数の和:9959

約数の個数: 48

約数和(自身を含む): 70066080

約数和(自身を除く): 41152832

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 32, 52, 56, 91, 104, 112, 182, 208, 224, 364, 416, 728, 1456, 2912, 9929, 19858, 39716, 69503, 79432, 129077, 139006, 158864, 258154, 278012, 317728, 516308, 556024, 903539, 1032616, 1112048, 1807078, 2065232, 2224096, 3614156, 4130464, 7228312, 14456624, 28913248]

約数ペア:

[(1, 28913248), (2, 14456624), (4, 7228312), (7, 4130464), (8, 3614156), (13, 2224096), (14, 2065232), (16, 1807078), (26, 1112048), (28, 1032616), (32, 903539), (52, 556024), (56, 516308), (91, 317728), (104, 278012), (112, 258154), (182, 158864), (208, 139006), (224, 129077), (364, 79432), (416, 69503), (728, 39716), (1456, 19858), (2912, 9929)]