405392

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{1949}}^1$

素因数の和:1970

約数の個数: 20

約数和(自身を含む): 846300

約数和(自身を除く): 440908

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 1949, 3898, 7796, 15592, 25337, 31184, 50674, 101348, 202696, 405392]

約数ペア:

[(1, 405392), (2, 202696), (4, 101348), (8, 50674), (13, 31184), (16, 25337), (26, 15592), (52, 7796), (104, 3898), (208, 1949)]