2912278138

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{18910897}}^1$

素因数の和:18910917

約数の個数: 16

約数和(自身を含む): 5446338624

約数和(自身を除く): 2534060486

約数列:

[1, 2, 7, 11, 14, 22, 77, 154, 18910897, 37821794, 132376279, 208019867, 264752558, 416039734, 1456139069, 2912278138]

約数ペア:

[(1, 2912278138), (2, 1456139069), (7, 416039734), (11, 264752558), (14, 208019867), (22, 132376279), (77, 37821794), (154, 18910897)]