201613555

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{7621}}^1$

素因数の和:7687

約数の個数: 32

約数和(自身を含む): 291953088

約数和(自身を除く): 90339533

約数列:

[1, 5, 11, 13, 37, 55, 65, 143, 185, 407, 481, 715, 2035, 2405, 5291, 7621, 26455, 38105, 83831, 99073, 281977, 419155, 495365, 1089803, 1409885, 3101747, 3665701, 5449015, 15508735, 18328505, 40322711, 201613555]

約数ペア:

[(1, 201613555), (5, 40322711), (11, 18328505), (13, 15508735), (37, 5449015), (55, 3665701), (65, 3101747), (143, 1409885), (185, 1089803), (407, 495365), (481, 419155), (715, 281977), (2035, 99073), (2405, 83831), (5291, 38105), (7621, 26455)]