25405261

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{2851}}^1$

素因数の和:2944

約数の個数: 16

約数和(自身を含む): 31029760

約数和(自身を除く): 5624499

約数列:

[1, 7, 19, 67, 133, 469, 1273, 2851, 8911, 19957, 54169, 191017, 379183, 1337119, 3629323, 25405261]

約数ペア:

[(1, 25405261), (7, 3629323), (19, 1337119), (67, 379183), (133, 191017), (469, 54169), (1273, 19957), (2851, 8911)]