990235904

素因数分解:

$2^8\times 7^2\times {\mathrm{78941}}^1$

素因数の和:78971

約数の個数: 54

約数和(自身を含む): 2299343634

約数和(自身を除く): 1309107730

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, 78941, 157882, 315764, 552587, 631528, 1105174, 1263056, 2210348, 2526112, 3868109, 4420696, 5052224, 7736218, 8841392, 10104448, 15472436, 17682784, 20208896, 30944872, 35365568, 61889744, 70731136, 123779488, 141462272, 247558976, 495117952, 990235904]

約数ペア:

[(1, 990235904), (2, 495117952), (4, 247558976), (7, 141462272), (8, 123779488), (14, 70731136), (16, 61889744), (28, 35365568), (32, 30944872), (49, 20208896), (56, 17682784), (64, 15472436), (98, 10104448), (112, 8841392), (128, 7736218), (196, 5052224), (224, 4420696), (256, 3868109), (392, 2526112), (448, 2210348), (784, 1263056), (896, 1105174), (1568, 631528), (1792, 552587), (3136, 315764), (6272, 157882), (12544, 78941)]