128512769

素因数分解:

$7^1\times {\mathrm{11}}^2\times {\mathrm{71}}^1\times {\mathrm{2137}}^1$

素因数の和:2237

約数の個数: 24

約数和(自身を含む): 163787904

約数和(自身を除く): 35275135

約数列:

[1, 7, 11, 71, 77, 121, 497, 781, 847, 2137, 5467, 8591, 14959, 23507, 60137, 151727, 164549, 258577, 1062089, 1668997, 1810039, 11682979, 18358967, 128512769]

約数ペア:

[(1, 128512769), (7, 18358967), (11, 11682979), (71, 1810039), (77, 1668997), (121, 1062089), (497, 258577), (781, 164549), (847, 151727), (2137, 60137), (5467, 23507), (8591, 14959)]