28921256

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{39727}}^1$

素因数の和:39753

約数の個数: 32

約数和(自身を含む): 66743040

約数和(自身を除く): 37821784

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 52, 56, 91, 104, 182, 364, 728, 39727, 79454, 158908, 278089, 317816, 516451, 556178, 1032902, 1112356, 2065804, 2224712, 3615157, 4131608, 7230314, 14460628, 28921256]

約数ペア:

[(1, 28921256), (2, 14460628), (4, 7230314), (7, 4131608), (8, 3615157), (13, 2224712), (14, 2065804), (26, 1112356), (28, 1032902), (52, 556178), (56, 516451), (91, 317816), (104, 278089), (182, 158908), (364, 79454), (728, 39727)]