261760256

素因数分解:

$2^8\times {\mathrm{1022501}}^1$

素因数の和:1022517

約数の個数: 18

約数和(自身を含む): 522498522

約数和(自身を除く): 260738266

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 256, 1022501, 2045002, 4090004, 8180008, 16360016, 32720032, 65440064, 130880128, 261760256]

約数ペア:

[(1, 261760256), (2, 130880128), (4, 65440064), (8, 32720032), (16, 16360016), (32, 8180008), (64, 4090004), (128, 2045002), (256, 1022501)]