2840978

素因数分解:

$2^1\times 7^1\times {\mathrm{307}}^1\times {\mathrm{661}}^1$

素因数の和:977

約数の個数: 16

約数和(自身を含む): 4893504

約数和(自身を除く): 2052526

約数列:

[1, 2, 7, 14, 307, 614, 661, 1322, 2149, 4298, 4627, 9254, 202927, 405854, 1420489, 2840978]

約数ペア:

[(1, 2840978), (2, 1420489), (7, 405854), (14, 202927), (307, 9254), (614, 4627), (661, 4298), (1322, 2149)]