2257871

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{71}}^1$

素因数の和:155

約数の個数: 24

約数和(自身を含む): 2954880

約数和(自身を除く): 697009

約数列:

[1, 7, 11, 49, 59, 71, 77, 413, 497, 539, 649, 781, 2891, 3479, 4189, 4543, 5467, 29323, 31801, 38269, 46079, 205261, 322553, 2257871]

約数ペア:

[(1, 2257871), (7, 322553), (11, 205261), (49, 46079), (59, 38269), (71, 31801), (77, 29323), (413, 5467), (497, 4543), (539, 4189), (649, 3479), (781, 2891)]