261058544

素因数分解:

$2^4\times {\mathrm{257}}^1\times {\mathrm{63487}}^1$

素因数の和:63752

約数の個数: 20

約数和(自身を含む): 507777024

約数和(自身を除く): 246718480

約数列:

[1, 2, 4, 8, 16, 257, 514, 1028, 2056, 4112, 63487, 126974, 253948, 507896, 1015792, 16316159, 32632318, 65264636, 130529272, 261058544]

約数ペア:

[(1, 261058544), (2, 130529272), (4, 65264636), (8, 32632318), (16, 16316159), (257, 1015792), (514, 507896), (1028, 253948), (2056, 126974), (4112, 63487)]