128220416

素因数分解:

$2^8\times {\mathrm{500861}}^1$

素因数の和:500877

約数の個数: 18

約数和(自身を含む): 255940482

約数和(自身を除く): 127720066

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 256, 500861, 1001722, 2003444, 4006888, 8013776, 16027552, 32055104, 64110208, 128220416]

約数ペア:

[(1, 128220416), (2, 64110208), (4, 32055104), (8, 16027552), (16, 8013776), (32, 4006888), (64, 2003444), (128, 1001722), (256, 500861)]