870345728

素因数分解:

$2^{10}\times 7^1\times {\mathrm{121421}}^1$

素因数の和:121448

約数の個数: 44

約数和(自身を含む): 1988406672

約数和(自身を除く): 1118060944

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 224, 256, 448, 512, 896, 1024, 1792, 3584, 7168, 121421, 242842, 485684, 849947, 971368, 1699894, 1942736, 3399788, 3885472, 6799576, 7770944, 13599152, 15541888, 27198304, 31083776, 54396608, 62167552, 108793216, 124335104, 217586432, 435172864, 870345728]

約数ペア:

[(1, 870345728), (2, 435172864), (4, 217586432), (7, 124335104), (8, 108793216), (14, 62167552), (16, 54396608), (28, 31083776), (32, 27198304), (56, 15541888), (64, 13599152), (112, 7770944), (128, 6799576), (224, 3885472), (256, 3399788), (448, 1942736), (512, 1699894), (896, 971368), (1024, 849947), (1792, 485684), (3584, 242842), (7168, 121421)]