399821344

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{961109}}^1$

素因数の和:961132

約数の個数: 24

約数和(自身を含む): 847699020

約数和(自身を除く): 447877676

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 104, 208, 416, 961109, 1922218, 3844436, 7688872, 12494417, 15377744, 24988834, 30755488, 49977668, 99955336, 199910672, 399821344]

約数ペア:

[(1, 399821344), (2, 199910672), (4, 99955336), (8, 49977668), (13, 30755488), (16, 24988834), (26, 15377744), (32, 12494417), (52, 7688872), (104, 3844436), (208, 1922218), (416, 961109)]