289754941

素因数分解:

$7^1\times {\mathrm{43}}^2\times {\mathrm{61}}^1\times {\mathrm{367}}^1$

素因数の和:521

約数の個数: 24

約数和(自身を含む): 345525504

約数和(自身を除く): 55770563

約数列:

[1, 7, 43, 61, 301, 367, 427, 1849, 2569, 2623, 12943, 15781, 18361, 22387, 110467, 112789, 156709, 678583, 789523, 962641, 4750081, 6738487, 41393563, 289754941]

約数ペア:

[(1, 289754941), (7, 41393563), (43, 6738487), (61, 4750081), (301, 962641), (367, 789523), (427, 678583), (1849, 156709), (2569, 112789), (2623, 110467), (12943, 22387), (15781, 18361)]