1891398656

素因数分解:

$2^{10}\times 7^1\times {\mathrm{263867}}^1$

素因数の和:263894

約数の個数: 44

約数和(自身を含む): 4321102368

約数和(自身を除く): 2429703712

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, 263867, 527734, 1055468, 1847069, 2110936, 3694138, 4221872, 7388276, 8443744, 14776552, 16887488, 29553104, 33774976, 59106208, 67549952, 118212416, 135099904, 236424832, 270199808, 472849664, 945699328, 1891398656]

約数ペア:

[(1, 1891398656), (2, 945699328), (4, 472849664), (7, 270199808), (8, 236424832), (14, 135099904), (16, 118212416), (28, 67549952), (32, 59106208), (56, 33774976), (64, 29553104), (112, 16887488), (128, 14776552), (224, 8443744), (256, 7388276), (448, 4221872), (512, 3694138), (896, 2110936), (1024, 1847069), (1792, 1055468), (3584, 527734), (7168, 263867)]