289979648

素因数分解:

$2^8\times 7^2\times {\mathrm{23117}}^1$

素因数の和:23147

約数の個数: 54

約数和(自身を含む): 673357986

約数和(自身を除く): 383378338

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 64, 98, 112, 128, 196, 224, 256, 392, 448, 784, 896, 1568, 1792, 3136, 6272, 12544, 23117, 46234, 92468, 161819, 184936, 323638, 369872, 647276, 739744, 1132733, 1294552, 1479488, 2265466, 2589104, 2958976, 4530932, 5178208, 5917952, 9061864, 10356416, 18123728, 20712832, 36247456, 41425664, 72494912, 144989824, 289979648]

約数ペア:

[(1, 289979648), (2, 144989824), (4, 72494912), (7, 41425664), (8, 36247456), (14, 20712832), (16, 18123728), (28, 10356416), (32, 9061864), (49, 5917952), (56, 5178208), (64, 4530932), (98, 2958976), (112, 2589104), (128, 2265466), (196, 1479488), (224, 1294552), (256, 1132733), (392, 739744), (448, 647276), (784, 369872), (896, 323638), (1568, 184936), (1792, 161819), (3136, 92468), (6272, 46234), (12544, 23117)]