28688902

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{653}}^1\times {\mathrm{1997}}^1$

素因数の和:2663

約数の個数: 16

約数和(自身を含む): 47040912

約数和(自身を除く): 18352010

約数列:

[1, 2, 11, 22, 653, 1306, 1997, 3994, 7183, 14366, 21967, 43934, 1304041, 2608082, 14344451, 28688902]

約数ペア:

[(1, 28688902), (2, 14344451), (11, 2608082), (22, 1304041), (653, 43934), (1306, 21967), (1997, 14366), (3994, 7183)]