128358724

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{79627}}^1$

素因数の和:79675

約数の個数: 24

約数和(自身を含む): 249713408

約数和(自身を除く): 121354684

約数列:

[1, 2, 4, 13, 26, 31, 52, 62, 124, 403, 806, 1612, 79627, 159254, 318508, 1035151, 2070302, 2468437, 4140604, 4936874, 9873748, 32089681, 64179362, 128358724]

約数ペア:

[(1, 128358724), (2, 64179362), (4, 32089681), (13, 9873748), (26, 4936874), (31, 4140604), (52, 2468437), (62, 2070302), (124, 1035151), (403, 318508), (806, 159254), (1612, 79627)]