245427832

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{54881}}^1$

素因数の和:54943

約数の個数: 32

約数和(自身を含む): 507109680

約数和(自身を除く): 261681848

約数列:

[1, 2, 4, 8, 13, 26, 43, 52, 86, 104, 172, 344, 559, 1118, 2236, 4472, 54881, 109762, 219524, 439048, 713453, 1426906, 2359883, 2853812, 4719766, 5707624, 9439532, 18879064, 30678479, 61356958, 122713916, 245427832]

約数ペア:

[(1, 245427832), (2, 122713916), (4, 61356958), (8, 30678479), (13, 18879064), (26, 9439532), (43, 5707624), (52, 4719766), (86, 2853812), (104, 2359883), (172, 1426906), (344, 713453), (559, 439048), (1118, 219524), (2236, 109762), (4472, 54881)]