1340857558

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{157}}^1\times {\mathrm{251191}}^1$

素因数の和:251367

約数の個数: 16

約数和(自身を含む): 2143170144

約数和(自身を除く): 802312586

約数列:

[1, 2, 17, 34, 157, 314, 2669, 5338, 251191, 502382, 4270247, 8540494, 39436987, 78873974, 670428779, 1340857558]

約数ペア:

[(1, 1340857558), (2, 670428779), (17, 78873974), (34, 39436987), (157, 8540494), (314, 4270247), (2669, 502382), (5338, 251191)]