205764208

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{989251}}^1$

素因数の和:989272

約数の個数: 20

約数和(自身を含む): 429335368

約数和(自身を除く): 223571160

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 989251, 1978502, 3957004, 7914008, 12860263, 15828016, 25720526, 51441052, 102882104, 205764208]

約数ペア:

[(1, 205764208), (2, 102882104), (4, 51441052), (8, 25720526), (13, 15828016), (16, 12860263), (26, 7914008), (52, 3957004), (104, 1978502), (208, 989251)]