11971988

素因数分解:

$2^2\times 7^1\times {\mathrm{239}}^1\times {\mathrm{1789}}^1$

素因数の和:2039

約数の個数: 24

約数和(自身を含む): 24057600

約数和(自身を除く): 12085612

約数列:

[1, 2, 4, 7, 14, 28, 239, 478, 956, 1673, 1789, 3346, 3578, 6692, 7156, 12523, 25046, 50092, 427571, 855142, 1710284, 2992997, 5985994, 11971988]

約数ペア:

[(1, 11971988), (2, 5985994), (4, 2992997), (7, 1710284), (14, 855142), (28, 427571), (239, 50092), (478, 25046), (956, 12523), (1673, 7156), (1789, 6692), (3346, 3578)]