139715408

素因数分解:

$2^4\times 7^1\times {\mathrm{1247459}}^1$

素因数の和:1247474

約数の個数: 20

約数和(自身を含む): 309370080

約数和(自身を除く): 169654672

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 1247459, 2494918, 4989836, 8732213, 9979672, 17464426, 19959344, 34928852, 69857704, 139715408]

約数ペア:

[(1, 139715408), (2, 69857704), (4, 34928852), (7, 19959344), (8, 17464426), (14, 9979672), (16, 8732213), (28, 4989836), (56, 2494918), (112, 1247459)]