2161747

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{463}}^1$

素因数の和:522

約数の個数: 16

約数和(自身を含む): 2672640

約数和(自身を除く): 510893

約数列:

[1, 7, 23, 29, 161, 203, 463, 667, 3241, 4669, 10649, 13427, 74543, 93989, 308821, 2161747]

約数ペア:

[(1, 2161747), (7, 308821), (23, 93989), (29, 74543), (161, 13427), (203, 10649), (463, 4669), (667, 3241)]