28872718

素因数分解:

$2^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{937}}^1$

素因数の和:1048

約数の個数: 32

約数和(自身を含む): 51867648

約数和(自身を除く): 22994930

約数列:

[1, 2, 7, 14, 31, 62, 71, 142, 217, 434, 497, 937, 994, 1874, 2201, 4402, 6559, 13118, 15407, 29047, 30814, 58094, 66527, 133054, 203329, 406658, 465689, 931378, 2062337, 4124674, 14436359, 28872718]

約数ペア:

[(1, 28872718), (2, 14436359), (7, 4124674), (14, 2062337), (31, 931378), (62, 465689), (71, 406658), (142, 203329), (217, 133054), (434, 66527), (497, 58094), (937, 30814), (994, 29047), (1874, 15407), (2201, 13118), (4402, 6559)]