28121488

素因数分解:

$2^4\times {\mathrm{61}}^1\times {\mathrm{28813}}^1$

素因数の和:28882

約数の個数: 20

約数和(自身を含む): 55380508

約数和(自身を除く): 27259020

約数列:

[1, 2, 4, 8, 16, 61, 122, 244, 488, 976, 28813, 57626, 115252, 230504, 461008, 1757593, 3515186, 7030372, 14060744, 28121488]

約数ペア:

[(1, 28121488), (2, 14060744), (4, 7030372), (8, 3515186), (16, 1757593), (61, 461008), (122, 230504), (244, 115252), (488, 57626), (976, 28813)]