28716856

素因数分解:

$2^3\times 7^1\times {\mathrm{193}}^1\times {\mathrm{2657}}^1$

素因数の和:2863

約数の個数: 32

約数和(自身を含む): 61878240

約数和(自身を除く): 33161384

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 193, 386, 772, 1351, 1544, 2657, 2702, 5314, 5404, 10628, 10808, 18599, 21256, 37198, 74396, 148792, 512801, 1025602, 2051204, 3589607, 4102408, 7179214, 14358428, 28716856]

約数ペア:

[(1, 28716856), (2, 14358428), (4, 7179214), (7, 4102408), (8, 3589607), (14, 2051204), (28, 1025602), (56, 512801), (193, 148792), (386, 74396), (772, 37198), (1351, 21256), (1544, 18599), (2657, 10808), (2702, 10628), (5314, 5404)]