39810491

素因数分解:

$7^2\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{701}}^1$

素因数の和:795

約数の個数: 24

約数和(自身を含む): 49617360

約数和(自身を除く): 9806869

約数列:

[1, 7, 19, 49, 61, 133, 427, 701, 931, 1159, 2989, 4907, 8113, 13319, 34349, 42761, 56791, 93233, 299327, 652631, 812459, 2095289, 5687213, 39810491]

約数ペア:

[(1, 39810491), (7, 5687213), (19, 2095289), (49, 812459), (61, 652631), (133, 299327), (427, 93233), (701, 56791), (931, 42761), (1159, 34349), (2989, 13319), (4907, 8113)]