207319945

素因数分解:

$5^1\times 7^1\times {\mathrm{103}}^1\times {\mathrm{131}}^1\times {\mathrm{439}}^1$

素因数の和:685

約数の個数: 32

約数和(自身を含む): 289935360

約数和(自身を除く): 82615415

約数列:

[1, 5, 7, 35, 103, 131, 439, 515, 655, 721, 917, 2195, 3073, 3605, 4585, 13493, 15365, 45217, 57509, 67465, 94451, 226085, 287545, 316519, 402563, 472255, 1582595, 2012815, 5923427, 29617135, 41463989, 207319945]

約数ペア:

[(1, 207319945), (5, 41463989), (7, 29617135), (35, 5923427), (103, 2012815), (131, 1582595), (439, 472255), (515, 402563), (655, 316519), (721, 287545), (917, 226085), (2195, 94451), (3073, 67465), (3605, 57509), (4585, 45217), (13493, 15365)]