661616879

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{452233}}^1$

素因数の和:452270

約数の個数: 16

約数和(自身を含む): 868289280

約数和(自身を除く): 206672401

約数列:

[1, 7, 11, 19, 77, 133, 209, 1463, 452233, 3165631, 4974563, 8592427, 34821941, 60146989, 94516697, 661616879]

約数ペア:

[(1, 661616879), (7, 94516697), (11, 60146989), (19, 34821941), (77, 8592427), (133, 4974563), (209, 3165631), (1463, 452233)]