128657984

素因数分解:

$2^6\times 7^1\times {\mathrm{13}}^1\times {\mathrm{22091}}^1$

素因数の和:22123

約数の個数: 56

約数和(自身を含む): 314236608

約数和(自身を除く): 185578624

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 32, 52, 56, 64, 91, 104, 112, 182, 208, 224, 364, 416, 448, 728, 832, 1456, 2912, 5824, 22091, 44182, 88364, 154637, 176728, 287183, 309274, 353456, 574366, 618548, 706912, 1148732, 1237096, 1413824, 2010281, 2297464, 2474192, 4020562, 4594928, 4948384, 8041124, 9189856, 9896768, 16082248, 18379712, 32164496, 64328992, 128657984]

約数ペア:

[(1, 128657984), (2, 64328992), (4, 32164496), (7, 18379712), (8, 16082248), (13, 9896768), (14, 9189856), (16, 8041124), (26, 4948384), (28, 4594928), (32, 4020562), (52, 2474192), (56, 2297464), (64, 2010281), (91, 1413824), (104, 1237096), (112, 1148732), (182, 706912), (208, 618548), (224, 574366), (364, 353456), (416, 309274), (448, 287183), (728, 176728), (832, 154637), (1456, 88364), (2912, 44182), (5824, 22091)]