68708432

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{330329}}^1$

素因数の和:330350

約数の個数: 20

約数和(自身を含む): 143363220

約数和(自身を除く): 74654788

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 330329, 660658, 1321316, 2642632, 4294277, 5285264, 8588554, 17177108, 34354216, 68708432]

約数ペア:

[(1, 68708432), (2, 34354216), (4, 17177108), (8, 8588554), (13, 5285264), (16, 4294277), (26, 2642632), (52, 1321316), (104, 660658), (208, 330329)]