39976678

素因数分解:

$2^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{20543}}^1$

素因数の和:20691

約数の個数: 16

約数和(自身を含む): 69027840

約数和(自身を除く): 29051162

約数列:

[1, 2, 7, 14, 139, 278, 973, 1946, 20543, 41086, 143801, 287602, 2855477, 5710954, 19988339, 39976678]

約数ペア:

[(1, 39976678), (2, 19988339), (7, 5710954), (14, 2855477), (139, 287602), (278, 143801), (973, 41086), (1946, 20543)]