263727438

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{127}}^1\times {\mathrm{337}}^1$

素因数の和:561

約数の個数: 64

約数和(自身を含む): 581468160

約数和(自身を除く): 317740722

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 79, 127, 158, 237, 254, 337, 381, 474, 674, 762, 1011, 1027, 1651, 2022, 2054, 3081, 3302, 4381, 4953, 6162, 8762, 9906, 10033, 13143, 20066, 26286, 26623, 30099, 42799, 53246, 60198, 79869, 85598, 128397, 130429, 159738, 256794, 260858, 346099, 391287, 556387, 692198, 782574, 1038297, 1112774, 1669161, 2076594, 3338322, 3381121, 6762242, 10143363, 20286726, 43954573, 87909146, 131863719, 263727438]

約数ペア:

[(1, 263727438), (2, 131863719), (3, 87909146), (6, 43954573), (13, 20286726), (26, 10143363), (39, 6762242), (78, 3381121), (79, 3338322), (127, 2076594), (158, 1669161), (237, 1112774), (254, 1038297), (337, 782574), (381, 692198), (474, 556387), (674, 391287), (762, 346099), (1011, 260858), (1027, 256794), (1651, 159738), (2022, 130429), (2054, 128397), (3081, 85598), (3302, 79869), (4381, 60198), (4953, 53246), (6162, 42799), (8762, 30099), (9906, 26623), (10033, 26286), (13143, 20066)]