289498237

素因数分解:

$7^1\times {\mathrm{107}}^1\times {\mathrm{307}}^1\times {\mathrm{1259}}^1$

素因数の和:1680

約数の個数: 16

約数和(自身を含む): 335301120

約数和(自身を除く): 45802883

約数列:

[1, 7, 107, 307, 749, 1259, 2149, 8813, 32849, 134713, 229943, 386513, 942991, 2705591, 41356891, 289498237]

約数ペア:

[(1, 289498237), (7, 41356891), (107, 2705591), (307, 942991), (749, 386513), (1259, 229943), (2149, 134713), (8813, 32849)]