218508416

素因数分解:

$2^7\times 7^1\times {\mathrm{243871}}^1$

素因数の和:243892

約数の個数: 32

約数和(自身を含む): 497498880

約数和(自身を除く): 278990464

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 224, 448, 896, 243871, 487742, 975484, 1707097, 1950968, 3414194, 3901936, 6828388, 7803872, 13656776, 15607744, 27313552, 31215488, 54627104, 109254208, 218508416]

約数ペア:

[(1, 218508416), (2, 109254208), (4, 54627104), (7, 31215488), (8, 27313552), (14, 15607744), (16, 13656776), (28, 7803872), (32, 6828388), (56, 3901936), (64, 3414194), (112, 1950968), (128, 1707097), (224, 975484), (448, 487742), (896, 243871)]