261851648

素因数分解:

$2^9\times {\mathrm{127}}^1\times {\mathrm{4027}}^1$

素因数の和:4172

約数の個数: 40

約数和(自身を含む): 527442432

約数和(自身を除く): 265590784

約数列:

[1, 2, 4, 8, 16, 32, 64, 127, 128, 254, 256, 508, 512, 1016, 2032, 4027, 4064, 8054, 8128, 16108, 16256, 32216, 32512, 64432, 65024, 128864, 257728, 511429, 515456, 1022858, 1030912, 2045716, 2061824, 4091432, 8182864, 16365728, 32731456, 65462912, 130925824, 261851648]

約数ペア:

[(1, 261851648), (2, 130925824), (4, 65462912), (8, 32731456), (16, 16365728), (32, 8182864), (64, 4091432), (127, 2061824), (128, 2045716), (254, 1030912), (256, 1022858), (508, 515456), (512, 511429), (1016, 257728), (2032, 128864), (4027, 65024), (4064, 64432), (8054, 32512), (8128, 32216), (16108, 16256)]