1380440978

素因数分解:

$2^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{776401}}^1$

素因数の和:776537

約数の個数: 16

約数和(自身を含む): 2385106944

約数和(自身を除く): 1004665966

約数列:

[1, 2, 7, 14, 127, 254, 889, 1778, 776401, 1552802, 5434807, 10869614, 98602927, 197205854, 690220489, 1380440978]

約数ペア:

[(1, 1380440978), (2, 690220489), (7, 197205854), (14, 98602927), (127, 10869614), (254, 5434807), (889, 1552802), (1778, 776401)]