28716886

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{17881}}^1$

素因数の和:17967

約数の個数: 16

約数和(自身を含む): 47637648

約数和(自身を除く): 18920762

約数列:

[1, 2, 11, 22, 73, 146, 803, 1606, 17881, 35762, 196691, 393382, 1305313, 2610626, 14358443, 28716886]

約数ペア:

[(1, 28716886), (2, 14358443), (11, 2610626), (22, 1305313), (73, 393382), (146, 196691), (803, 35762), (1606, 17881)]