408543670066

素因数分解:

$2^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{209940221}}^1$

素因数の和:209940369

約数の個数: 16

約数和(自身を含む): 705399145920

約数和(自身を除く): 296855475854

約数列:

[1, 2, 7, 14, 139, 278, 973, 1946, 209940221, 419880442, 1469581547, 2939163094, 29181690719, 58363381438, 204271835033, 408543670066]

約数ペア:

[(1, 408543670066), (2, 204271835033), (7, 58363381438), (14, 29181690719), (139, 2939163094), (278, 1469581547), (973, 419880442), (1946, 209940221)]