289942912

素因数分解:

$2^7\times 7^1\times {\mathrm{323597}}^1$

素因数の和:323618

約数の個数: 32

約数和(自身を含む): 660139920

約数和(自身を除く): 370197008

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 224, 448, 896, 323597, 647194, 1294388, 2265179, 2588776, 4530358, 5177552, 9060716, 10355104, 18121432, 20710208, 36242864, 41420416, 72485728, 144971456, 289942912]

約数ペア:

[(1, 289942912), (2, 144971456), (4, 72485728), (7, 41420416), (8, 36242864), (14, 20710208), (16, 18121432), (28, 10355104), (32, 9060716), (56, 5177552), (64, 4530358), (112, 2588776), (128, 2265179), (224, 1294388), (448, 647194), (896, 323597)]