68938996

素因数分解:

$2^2\times 7^1\times {\mathrm{139}}^1\times {\mathrm{17713}}^1$

素因数の和:17863

約数の個数: 24

約数和(自身を含む): 138877760

約数和(自身を除く): 69938764

約数列:

[1, 2, 4, 7, 14, 28, 139, 278, 556, 973, 1946, 3892, 17713, 35426, 70852, 123991, 247982, 495964, 2462107, 4924214, 9848428, 17234749, 34469498, 68938996]

約数ペア:

[(1, 68938996), (2, 34469498), (4, 17234749), (7, 9848428), (14, 4924214), (28, 2462107), (139, 495964), (278, 247982), (556, 123991), (973, 70852), (1946, 35426), (3892, 17713)]