25281776

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{121547}}^1$

素因数の和:121568

約数の個数: 20

約数和(自身を含む): 52751832

約数和(自身を除く): 27470056

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 121547, 243094, 486188, 972376, 1580111, 1944752, 3160222, 6320444, 12640888, 25281776]

約数ペア:

[(1, 25281776), (2, 12640888), (4, 6320444), (8, 3160222), (13, 1944752), (16, 1580111), (26, 972376), (52, 486188), (104, 243094), (208, 121547)]