138868996

素因数分解:

$2^2\times 7^1\times {\mathrm{1777}}^1\times {\mathrm{2791}}^1$

素因数の和:4579

約数の個数: 24

約数和(自身を含む): 277993856

約数和(自身を除く): 139124860

約数列:

[1, 2, 4, 7, 14, 28, 1777, 2791, 3554, 5582, 7108, 11164, 12439, 19537, 24878, 39074, 49756, 78148, 4959607, 9919214, 19838428, 34717249, 69434498, 138868996]

約数ペア:

[(1, 138868996), (2, 69434498), (4, 34717249), (7, 19838428), (14, 9919214), (28, 4959607), (1777, 78148), (2791, 49756), (3554, 39074), (5582, 24878), (7108, 19537), (11164, 12439)]