138976678

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{51511}}^1$

素因数の和:51603

約数の個数: 16

約数和(自身を含む): 222531840

約数和(自身を除く): 83555162

約数列:

[1, 2, 19, 38, 71, 142, 1349, 2698, 51511, 103022, 978709, 1957418, 3657281, 7314562, 69488339, 138976678]

約数ペア:

[(1, 138976678), (2, 69488339), (19, 7314562), (38, 3657281), (71, 1957418), (142, 978709), (1349, 103022), (2698, 51511)]