128466709904

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{617628413}}^1$

素因数の和:617628434

約数の個数: 20

約数和(自身を含む): 268050731676

約数和(自身を除く): 139584021772

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 617628413, 1235256826, 2470513652, 4941027304, 8029169369, 9882054608, 16058338738, 32116677476, 64233354952, 128466709904]

約数ペア:

[(1, 128466709904), (2, 64233354952), (4, 32116677476), (8, 16058338738), (13, 9882054608), (16, 8029169369), (26, 4941027304), (52, 2470513652), (104, 1235256826), (208, 617628413)]