339717889

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{113}}^1\times {\mathrm{263}}^1$

素因数の和:477

約数の個数: 32

約数和(自身を含む): 416047104

約数和(自身を除く): 76329215

約数列:

[1, 7, 23, 71, 113, 161, 263, 497, 791, 1633, 1841, 2599, 6049, 8023, 11431, 18193, 18673, 29719, 42343, 56161, 130711, 184529, 208033, 429479, 683537, 1291703, 2110049, 3006353, 4784759, 14770343, 48531127, 339717889]

約数ペア:

[(1, 339717889), (7, 48531127), (23, 14770343), (71, 4784759), (113, 3006353), (161, 2110049), (263, 1291703), (497, 683537), (791, 429479), (1633, 208033), (1841, 184529), (2599, 130711), (6049, 56161), (8023, 42343), (11431, 29719), (18193, 18673)]