81384688

素因数分解:

$2^4\times 7^2\times {\mathrm{11}}^1\times {\mathrm{9437}}^1$

素因数の和:9470

約数の個数: 60

約数和(自身を含む): 200123352

約数和(自身を除く): 118738664

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 44, 49, 56, 77, 88, 98, 112, 154, 176, 196, 308, 392, 539, 616, 784, 1078, 1232, 2156, 4312, 8624, 9437, 18874, 37748, 66059, 75496, 103807, 132118, 150992, 207614, 264236, 415228, 462413, 528472, 726649, 830456, 924826, 1056944, 1453298, 1660912, 1849652, 2906596, 3699304, 5086543, 5813192, 7398608, 10173086, 11626384, 20346172, 40692344, 81384688]

約数ペア:

[(1, 81384688), (2, 40692344), (4, 20346172), (7, 11626384), (8, 10173086), (11, 7398608), (14, 5813192), (16, 5086543), (22, 3699304), (28, 2906596), (44, 1849652), (49, 1660912), (56, 1453298), (77, 1056944), (88, 924826), (98, 830456), (112, 726649), (154, 528472), (176, 462413), (196, 415228), (308, 264236), (392, 207614), (539, 150992), (616, 132118), (784, 103807), (1078, 75496), (1232, 66059), (2156, 37748), (4312, 18874), (8624, 9437)]