28563227

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{197}}^1\times {\mathrm{269}}^1$

素因数の和:491

約数の個数: 24

約数和(自身を含む): 36566640

約数和(自身を除く): 8003413

約数列:

[1, 7, 11, 49, 77, 197, 269, 539, 1379, 1883, 2167, 2959, 9653, 13181, 15169, 20713, 52993, 106183, 144991, 370951, 582923, 2596657, 4080461, 28563227]

約数ペア:

[(1, 28563227), (7, 4080461), (11, 2596657), (49, 582923), (77, 370951), (197, 144991), (269, 106183), (539, 52993), (1379, 20713), (1883, 15169), (2167, 13181), (2959, 9653)]