1551680851

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{117223}}^1$

素因数の和:117322

約数の個数: 16

約数和(自身を含む): 1860579328

約数和(自身を除く): 308898477

約数列:

[1, 7, 31, 61, 217, 427, 1891, 13237, 117223, 820561, 3633913, 7150603, 25437391, 50054221, 221668693, 1551680851]

約数ペア:

[(1, 1551680851), (7, 221668693), (31, 50054221), (61, 25437391), (217, 7150603), (427, 3633913), (1891, 820561), (13237, 117223)]