280010318

素因数分解:

$2^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{281}}^1\times {\mathrm{653}}^1$

素因数の和:1052

約数の個数: 32

約数和(自身を含む): 486889920

約数和(自身を除く): 206879602

約数列:

[1, 2, 7, 14, 109, 218, 281, 562, 653, 763, 1306, 1526, 1967, 3934, 4571, 9142, 30629, 61258, 71177, 142354, 183493, 214403, 366986, 428806, 498239, 996478, 1284451, 2568902, 20000737, 40001474, 140005159, 280010318]

約数ペア:

[(1, 280010318), (2, 140005159), (7, 40001474), (14, 20000737), (109, 2568902), (218, 1284451), (281, 996478), (562, 498239), (653, 428806), (763, 366986), (1306, 214403), (1526, 183493), (1967, 142354), (3934, 71177), (4571, 61258), (9142, 30629)]