87969259

素因数分解:

$7^2\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{1549}}^1$

素因数の和:1643

約数の個数: 24

約数和(自身を含む): 109554000

約数和(自身を除く): 21584741

約数列:

[1, 7, 19, 49, 61, 133, 427, 931, 1159, 1549, 2989, 8113, 10843, 29431, 56791, 75901, 94489, 206017, 661423, 1442119, 1795291, 4629961, 12567037, 87969259]

約数ペア:

[(1, 87969259), (7, 12567037), (19, 4629961), (49, 1795291), (61, 1442119), (133, 661423), (427, 206017), (931, 94489), (1159, 75901), (1549, 56791), (2989, 29431), (8113, 10843)]