388614824

素因数分解:

$2^3\times {\mathrm{13}}^2\times {\mathrm{287437}}^1$

素因数の和:287469

約数の個数: 24

約数和(自身を含む): 789017310

約数和(自身を除く): 400402486

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 169, 338, 676, 1352, 287437, 574874, 1149748, 2299496, 3736681, 7473362, 14946724, 29893448, 48576853, 97153706, 194307412, 388614824]

約数ペア:

[(1, 388614824), (2, 194307412), (4, 97153706), (8, 48576853), (13, 29893448), (26, 14946724), (52, 7473362), (104, 3736681), (169, 2299496), (338, 1149748), (676, 574874), (1352, 287437)]