1278149758

素因数分解:

$2^1\times {\mathrm{139}}^1\times {\mathrm{2087}}^1\times {\mathrm{2203}}^1$

素因数の和:4431

約数の個数: 16

約数和(自身を含む): 1932819840

約数和(自身を除く): 654670082

約数列:

[1, 2, 139, 278, 2087, 2203, 4174, 4406, 290093, 306217, 580186, 612434, 4597661, 9195322, 639074879, 1278149758]

約数ペア:

[(1, 1278149758), (2, 639074879), (139, 9195322), (278, 4597661), (2087, 612434), (2203, 580186), (4174, 306217), (4406, 290093)]