25365392

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{121949}}^1$

素因数の和:121970

約数の個数: 20

約数和(自身を含む): 52926300

約数和(自身を除く): 27560908

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 121949, 243898, 487796, 975592, 1585337, 1951184, 3170674, 6341348, 12682696, 25365392]

約数ペア:

[(1, 25365392), (2, 12682696), (4, 6341348), (8, 3170674), (13, 1951184), (16, 1585337), (26, 975592), (52, 487796), (104, 243898), (208, 121949)]