2108491

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{197}}^1$

素因数の和:354

約数の個数: 16

約数和(自身を含む): 2661120

約数和(自身を除く): 552629

約数列:

[1, 7, 11, 77, 139, 197, 973, 1379, 1529, 2167, 10703, 15169, 27383, 191681, 301213, 2108491]

約数ペア:

[(1, 2108491), (7, 301213), (11, 191681), (77, 27383), (139, 15169), (197, 10703), (973, 2167), (1379, 1529)]