1640356744

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{15772661}}^1$

素因数の和:15772680

約数の個数: 16

約数和(自身を含む): 3312259020

約数和(自身を除く): 1671902276

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 15772661, 31545322, 63090644, 126181288, 205044593, 410089186, 820178372, 1640356744]

約数ペア:

[(1, 1640356744), (2, 820178372), (4, 410089186), (8, 205044593), (13, 126181288), (26, 63090644), (52, 31545322), (104, 15772661)]