205955152

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{990169}}^1$

素因数の和:990190

約数の個数: 20

約数和(自身を含む): 429733780

約数和(自身を除く): 223778628

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 990169, 1980338, 3960676, 7921352, 12872197, 15842704, 25744394, 51488788, 102977576, 205955152]

約数ペア:

[(1, 205955152), (2, 102977576), (4, 51488788), (8, 25744394), (13, 15842704), (16, 12872197), (26, 7921352), (52, 3960676), (104, 1980338), (208, 990169)]