12521880469

素因数分解:

$7^2\times {\mathrm{61}}^1\times {\mathrm{139}}^1\times {\mathrm{30139}}^1$

素因数の和:30353

約数の個数: 24

約数和(自身を含む): 14912066400

約数和(自身を除く): 2390185931

約数列:

[1, 7, 49, 61, 139, 427, 973, 2989, 6811, 8479, 30139, 59353, 210973, 415471, 1476811, 1838479, 4189321, 12869353, 29325247, 90085471, 205276729, 255548581, 1788840067, 12521880469]

約数ペア:

[(1, 12521880469), (7, 1788840067), (49, 255548581), (61, 205276729), (139, 90085471), (427, 29325247), (973, 12869353), (2989, 4189321), (6811, 1838479), (8479, 1476811), (30139, 415471), (59353, 210973)]