256949

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{71}}^1$

素因数の和:136

約数の個数: 16

約数和(自身を含む): 331776

約数和(自身を除く): 74827

約数列:

[1, 7, 11, 47, 71, 77, 329, 497, 517, 781, 3337, 3619, 5467, 23359, 36707, 256949]

約数ペア:

[(1, 256949), (7, 36707), (11, 23359), (47, 5467), (71, 3619), (77, 3337), (329, 781), (497, 517)]