12912856784

素因数分解:

$2^4\times {\mathrm{109}}^1\times {\mathrm{7404161}}^1$

素因数の和:7404278

約数の個数: 20

約数和(自身を含む): 25248192420

約数和(自身を除く): 12335335636

約数列:

[1, 2, 4, 8, 16, 109, 218, 436, 872, 1744, 7404161, 14808322, 29616644, 59233288, 118466576, 807053549, 1614107098, 3228214196, 6456428392, 12912856784]

約数ペア:

[(1, 12912856784), (2, 6456428392), (4, 3228214196), (8, 1614107098), (16, 807053549), (109, 118466576), (218, 59233288), (436, 29616644), (872, 14808322), (1744, 7404161)]