399931103614

素因数分解:

$2^1\times 7^1\times {\mathrm{211}}^1\times {\mathrm{135386291}}^1$

素因数の和:135386511

約数の個数: 16

約数和(自身を含む): 688845453696

約数和(自身を除く): 288914350082

約数列:

[1, 2, 7, 14, 211, 422, 1477, 2954, 135386291, 270772582, 947704037, 1895408074, 28566507401, 57133014802, 199965551807, 399931103614]

約数ペア:

[(1, 399931103614), (2, 199965551807), (7, 57133014802), (14, 28566507401), (211, 1895408074), (422, 947704037), (1477, 270772582), (2954, 135386291)]