68688688

素因数分解:

$2^4\times {\mathrm{337}}^1\times {\mathrm{12739}}^1$

素因数の和:13084

約数の個数: 20

約数和(自身を含む): 133489720

約数和(自身を除く): 64801032

約数列:

[1, 2, 4, 8, 16, 337, 674, 1348, 2696, 5392, 12739, 25478, 50956, 101912, 203824, 4293043, 8586086, 17172172, 34344344, 68688688]

約数ペア:

[(1, 68688688), (2, 34344344), (4, 17172172), (8, 8586086), (16, 4293043), (337, 203824), (674, 101912), (1348, 50956), (2696, 25478), (5392, 12739)]