1638627894

素因数分解:

$2^1\times 3^4\times {\mathrm{41}}^1\times {\mathrm{246707}}^1$

素因数の和:246762

約数の個数: 40

約数和(自身を含む): 3761310168

約数和(自身を除く): 2122682274

約数列:

[1, 2, 3, 6, 9, 18, 27, 41, 54, 81, 82, 123, 162, 246, 369, 738, 1107, 2214, 3321, 6642, 246707, 493414, 740121, 1480242, 2220363, 4440726, 6661089, 10114987, 13322178, 19983267, 20229974, 30344961, 39966534, 60689922, 91034883, 182069766, 273104649, 546209298, 819313947, 1638627894]

約数ペア:

[(1, 1638627894), (2, 819313947), (3, 546209298), (6, 273104649), (9, 182069766), (18, 91034883), (27, 60689922), (41, 39966534), (54, 30344961), (81, 20229974), (82, 19983267), (123, 13322178), (162, 10114987), (246, 6661089), (369, 4440726), (738, 2220363), (1107, 1480242), (2214, 740121), (3321, 493414), (6642, 246707)]