28839206

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{499}}^1$

素因数の和:620

約数の個数: 32

約数和(自身を含む): 49248000

約数和(自身を除く): 20408794

約数列:

[1, 2, 11, 22, 37, 71, 74, 142, 407, 499, 781, 814, 998, 1562, 2627, 5254, 5489, 10978, 18463, 28897, 35429, 36926, 57794, 70858, 203093, 389719, 406186, 779438, 1310873, 2621746, 14419603, 28839206]

約数ペア:

[(1, 28839206), (2, 14419603), (11, 2621746), (22, 1310873), (37, 779438), (71, 406186), (74, 389719), (142, 203093), (407, 70858), (499, 57794), (781, 36926), (814, 35429), (998, 28897), (1562, 18463), (2627, 10978), (5254, 5489)]