25856978

素因数分解:

$2^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{107}}^1\times {\mathrm{421}}^1$

素因数の和:578

約数の個数: 32

約数和(自身を含む): 45940608

約数和(自身を除く): 20083630

約数列:

[1, 2, 7, 14, 41, 82, 107, 214, 287, 421, 574, 749, 842, 1498, 2947, 4387, 5894, 8774, 17261, 30709, 34522, 45047, 61418, 90094, 120827, 241654, 315329, 630658, 1846927, 3693854, 12928489, 25856978]

約数ペア:

[(1, 25856978), (2, 12928489), (7, 3693854), (14, 1846927), (41, 630658), (82, 315329), (107, 241654), (214, 120827), (287, 90094), (421, 61418), (574, 45047), (749, 34522), (842, 30709), (1498, 17261), (2947, 8774), (4387, 5894)]