253712158

素因数分解:

$2^1\times 7^1\times {\mathrm{887}}^1\times {\mathrm{20431}}^1$

素因数の和:21327

約数の個数: 16

約数和(自身を含む): 435446784

約数和(自身を除く): 181734626

約数列:

[1, 2, 7, 14, 887, 1774, 6209, 12418, 20431, 40862, 143017, 286034, 18122297, 36244594, 126856079, 253712158]

約数ペア:

[(1, 253712158), (2, 126856079), (7, 36244594), (14, 18122297), (887, 286034), (1774, 143017), (6209, 40862), (12418, 20431)]