12879601

素因数分解:

$7^2\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{139}}^1$

素因数の和:245

約数の個数: 24

約数和(自身を含む): 15832320

約数和(自身を除く): 2952719

約数列:

[1, 7, 31, 49, 61, 139, 217, 427, 973, 1519, 1891, 2989, 4309, 6811, 8479, 13237, 30163, 59353, 92659, 211141, 262849, 415471, 1839943, 12879601]

約数ペア:

[(1, 12879601), (7, 1839943), (31, 415471), (49, 262849), (61, 211141), (139, 92659), (217, 59353), (427, 30163), (973, 13237), (1519, 8479), (1891, 6811), (2989, 4309)]