1340805718

素因数分解:

$2^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{720089}}^1$

素因数の和:720124

約数の個数: 24

約数和(自身を含む): 2462707800

約数和(自身を除く): 1121902082

約数列:

[1, 2, 7, 14, 19, 38, 49, 98, 133, 266, 931, 1862, 720089, 1440178, 5040623, 10081246, 13681691, 27363382, 35284361, 70568722, 95771837, 191543674, 670402859, 1340805718]

約数ペア:

[(1, 1340805718), (2, 670402859), (7, 191543674), (14, 95771837), (19, 70568722), (38, 35284361), (49, 27363382), (98, 13681691), (133, 10081246), (266, 5040623), (931, 1440178), (1862, 720089)]