26780522041

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{409}}^1\times {\mathrm{19447}}^1$

素因数の和:19913

約数の個数: 32

約数和(自身を含む): 33935982080

約数和(自身を除く): 7155460039

約数列:

[1, 7, 13, 37, 91, 259, 409, 481, 2863, 3367, 5317, 15133, 19447, 37219, 105931, 136129, 196729, 252811, 719539, 1377103, 1769677, 5036773, 7953823, 9354007, 55676761, 65478049, 103399699, 294291451, 723797893, 2060040157, 3825788863, 26780522041]

約数ペア:

[(1, 26780522041), (7, 3825788863), (13, 2060040157), (37, 723797893), (91, 294291451), (259, 103399699), (409, 65478049), (481, 55676761), (2863, 9354007), (3367, 7953823), (5317, 5036773), (15133, 1769677), (19447, 1377103), (37219, 719539), (105931, 252811), (136129, 196729)]