81304336

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{271}}^1\times {\mathrm{1103}}^1$

素因数の和:1399

約数の個数: 40

約数和(自身を含む): 167560704

約数和(自身を除く): 86256368

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 271, 272, 542, 1084, 1103, 2168, 2206, 4336, 4412, 4607, 8824, 9214, 17648, 18428, 18751, 36856, 37502, 73712, 75004, 150008, 298913, 300016, 597826, 1195652, 2391304, 4782608, 5081521, 10163042, 20326084, 40652168, 81304336]

約数ペア:

[(1, 81304336), (2, 40652168), (4, 20326084), (8, 10163042), (16, 5081521), (17, 4782608), (34, 2391304), (68, 1195652), (136, 597826), (271, 300016), (272, 298913), (542, 150008), (1084, 75004), (1103, 73712), (2168, 37502), (2206, 36856), (4336, 18751), (4412, 18428), (4607, 17648), (8824, 9214)]