1999363072

素因数分解:

$2^{10}\times 7^2\times {\mathrm{39847}}^1$

素因数の和:39881

約数の個数: 66

約数和(自身を含む): 4649424792

約数和(自身を除く): 2650061720

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 64, 98, 112, 128, 196, 224, 256, 392, 448, 512, 784, 896, 1024, 1568, 1792, 3136, 3584, 6272, 7168, 12544, 25088, 39847, 50176, 79694, 159388, 278929, 318776, 557858, 637552, 1115716, 1275104, 1952503, 2231432, 2550208, 3905006, 4462864, 5100416, 7810012, 8925728, 10200832, 15620024, 17851456, 20401664, 31240048, 35702912, 40803328, 62480096, 71405824, 124960192, 142811648, 249920384, 285623296, 499840768, 999681536, 1999363072]

約数ペア:

[(1, 1999363072), (2, 999681536), (4, 499840768), (7, 285623296), (8, 249920384), (14, 142811648), (16, 124960192), (28, 71405824), (32, 62480096), (49, 40803328), (56, 35702912), (64, 31240048), (98, 20401664), (112, 17851456), (128, 15620024), (196, 10200832), (224, 8925728), (256, 7810012), (392, 5100416), (448, 4462864), (512, 3905006), (784, 2550208), (896, 2231432), (1024, 1952503), (1568, 1275104), (1792, 1115716), (3136, 637552), (3584, 557858), (6272, 318776), (7168, 278929), (12544, 159388), (25088, 79694), (39847, 50176)]