138653452

素因数分解:

$2^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{159739}}^1$

素因数の和:159781

約数の個数: 24

約数和(自身を含む): 286254080

約数和(自身を除く): 147600628

約数列:

[1, 2, 4, 7, 14, 28, 31, 62, 124, 217, 434, 868, 159739, 319478, 638956, 1118173, 2236346, 4472692, 4951909, 9903818, 19807636, 34663363, 69326726, 138653452]

約数ペア:

[(1, 138653452), (2, 69326726), (4, 34663363), (7, 19807636), (14, 9903818), (28, 4951909), (31, 4472692), (62, 2236346), (124, 1118173), (217, 638956), (434, 319478), (868, 159739)]