161725916

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{33721}}^1$

素因数の和:33845

約数の個数: 24

約数和(自身を含む): 311591280

約数和(自身を除く): 149865364

約数列:

[1, 2, 4, 11, 22, 44, 109, 218, 436, 1199, 2398, 4796, 33721, 67442, 134884, 370931, 741862, 1483724, 3675589, 7351178, 14702356, 40431479, 80862958, 161725916]

約数ペア:

[(1, 161725916), (2, 80862958), (4, 40431479), (11, 14702356), (22, 7351178), (44, 3675589), (109, 1483724), (218, 741862), (436, 370931), (1199, 134884), (2398, 67442), (4796, 33721)]