40805191

素因数分解:

$7^2\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{317}}^1$

素因数の和:439

約数の個数: 24

約数和(自身を含む): 49592736

約数和(自身を除く): 8787545

約数列:

[1, 7, 37, 49, 71, 259, 317, 497, 1813, 2219, 2627, 3479, 11729, 15533, 18389, 22507, 82103, 128723, 157549, 574721, 832759, 1102843, 5829313, 40805191]

約数ペア:

[(1, 40805191), (7, 5829313), (37, 1102843), (49, 832759), (71, 574721), (259, 157549), (317, 128723), (497, 82103), (1813, 22507), (2219, 18389), (2627, 15533), (3479, 11729)]