129664256

素因数分解:

$2^8\times {\mathrm{506501}}^1$

素因数の和:506517

約数の個数: 18

約数和(自身を含む): 258822522

約数和(自身を除く): 129158266

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 256, 506501, 1013002, 2026004, 4052008, 8104016, 16208032, 32416064, 64832128, 129664256]

約数ペア:

[(1, 129664256), (2, 64832128), (4, 32416064), (8, 16208032), (16, 8104016), (32, 4052008), (64, 2026004), (128, 1013002), (256, 506501)]