25760476

素因数分解:

$2^2\times 7^2\times {\mathrm{131431}}^1$

素因数の和:131449

約数の個数: 18

約数和(自身を含む): 52441368

約数和(自身を除く): 26680892

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 131431, 262862, 525724, 920017, 1840034, 3680068, 6440119, 12880238, 25760476]

約数ペア:

[(1, 25760476), (2, 12880238), (4, 6440119), (7, 3680068), (14, 1840034), (28, 920017), (49, 525724), (98, 262862), (196, 131431)]