1386750869

素因数分解:

$7^1\times {\mathrm{31}}^2\times {\mathrm{211}}^1\times {\mathrm{977}}^1$

素因数の和:1257

約数の個数: 24

約数和(自身を含む): 1647077184

約数和(自身を除く): 260326315

約数列:

[1, 7, 31, 211, 217, 961, 977, 1477, 6541, 6727, 6839, 30287, 45787, 202771, 206147, 212009, 938897, 1419397, 1443029, 6390557, 6572279, 44733899, 198107267, 1386750869]

約数ペア:

[(1, 1386750869), (7, 198107267), (31, 44733899), (211, 6572279), (217, 6390557), (961, 1443029), (977, 1419397), (1477, 938897), (6541, 212009), (6727, 206147), (6839, 202771), (30287, 45787)]