398045007488

素因数分解:

$2^7\times {\mathrm{3109726621}}^1$

素因数の和:3109726635

約数の個数: 16

約数和(自身を含む): 792980288610

約数和(自身を除く): 394935281122

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 3109726621, 6219453242, 12438906484, 24877812968, 49755625936, 99511251872, 199022503744, 398045007488]

約数ペア:

[(1, 398045007488), (2, 199022503744), (4, 99511251872), (8, 49755625936), (16, 24877812968), (32, 12438906484), (64, 6219453242), (128, 3109726621)]