26405392

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{126949}}^1$

素因数の和:126970

約数の個数: 20

約数和(自身を含む): 55096300

約数和(自身を除く): 28690908

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 126949, 253898, 507796, 1015592, 1650337, 2031184, 3300674, 6601348, 13202696, 26405392]

約数ペア:

[(1, 26405392), (2, 13202696), (4, 6601348), (8, 3300674), (13, 2031184), (16, 1650337), (26, 1015592), (52, 507796), (104, 253898), (208, 126949)]