413978032

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{1990279}}^1$

素因数の和:1990300

約数の個数: 20

約数和(自身を含む): 863781520

約数和(自身を除く): 449803488

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 1990279, 3980558, 7961116, 15922232, 25873627, 31844464, 51747254, 103494508, 206989016, 413978032]

約数ペア:

[(1, 413978032), (2, 206989016), (4, 103494508), (8, 51747254), (13, 31844464), (16, 25873627), (26, 15922232), (52, 7961116), (104, 3980558), (208, 1990279)]