12812471

素因数分解:

$7^2\times {\mathrm{37}}^2\times {\mathrm{191}}^1$

素因数の和:279

約数の個数: 18

約数和(自身を含む): 15398208

約数和(自身を除く): 2585737

約数列:

[1, 7, 37, 49, 191, 259, 1337, 1369, 1813, 7067, 9359, 9583, 49469, 67081, 261479, 346283, 1830353, 12812471]

約数ペア:

[(1, 12812471), (7, 1830353), (37, 346283), (49, 261479), (191, 67081), (259, 49469), (1337, 9583), (1369, 9359), (1813, 7067)]