28991606

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{108991}}^1$

素因数の和:109019

約数の個数: 16

約数和(自身を含む): 52316160

約数和(自身を除く): 23324554

約数列:

[1, 2, 7, 14, 19, 38, 133, 266, 108991, 217982, 762937, 1525874, 2070829, 4141658, 14495803, 28991606]

約数ペア:

[(1, 28991606), (2, 14495803), (7, 4141658), (14, 2070829), (19, 1525874), (38, 762937), (133, 217982), (266, 108991)]