25538261

素因数分解:

$7^2\times {\mathrm{19}}^1\times {\mathrm{27431}}^1$

素因数の和:27464

約数の個数: 12

約数和(自身を含む): 31272480

約数和(自身を除く): 5734219

約数列:

[1, 7, 19, 49, 133, 931, 27431, 192017, 521189, 1344119, 3648323, 25538261]

約数ペア:

[(1, 25538261), (7, 3648323), (19, 1344119), (49, 521189), (133, 192017), (931, 27431)]