218772019976

素因数分解:

$2^3\times {\mathrm{71}}^2\times {\mathrm{89}}^1\times {\mathrm{60953}}^1$

素因数の和:61190

約数の個数: 48

約数和(自身を含む): 420738032700

約数和(自身を除く): 201966012724

約数列:

[1, 2, 4, 8, 71, 89, 142, 178, 284, 356, 568, 712, 5041, 6319, 10082, 12638, 20164, 25276, 40328, 50552, 60953, 121906, 243812, 448649, 487624, 897298, 1794596, 3589192, 4327663, 5424817, 8655326, 10849634, 17310652, 21699268, 34621304, 43398536, 307264073, 385162007, 614528146, 770324014, 1229056292, 1540648028, 2458112584, 3081296056, 27346502497, 54693004994, 109386009988, 218772019976]

約数ペア:

[(1, 218772019976), (2, 109386009988), (4, 54693004994), (8, 27346502497), (71, 3081296056), (89, 2458112584), (142, 1540648028), (178, 1229056292), (284, 770324014), (356, 614528146), (568, 385162007), (712, 307264073), (5041, 43398536), (6319, 34621304), (10082, 21699268), (12638, 17310652), (20164, 10849634), (25276, 8655326), (40328, 5424817), (50552, 4327663), (60953, 3589192), (121906, 1794596), (243812, 897298), (448649, 487624)]