82255775

素因数分解:

$5^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{643}}^1$

素因数の和:720

約数の個数: 48

約数和(自身を含む): 126491904

約数和(自身を除く): 44236129

約数列:

[1, 5, 7, 17, 25, 35, 43, 85, 119, 175, 215, 301, 425, 595, 643, 731, 1075, 1505, 2975, 3215, 3655, 4501, 5117, 7525, 10931, 16075, 18275, 22505, 25585, 27649, 54655, 76517, 112525, 127925, 138245, 193543, 273275, 382585, 470033, 691225, 967715, 1912925, 2350165, 3290231, 4838575, 11750825, 16451155, 82255775]

約数ペア:

[(1, 82255775), (5, 16451155), (7, 11750825), (17, 4838575), (25, 3290231), (35, 2350165), (43, 1912925), (85, 967715), (119, 691225), (175, 470033), (215, 382585), (301, 273275), (425, 193543), (595, 138245), (643, 127925), (731, 112525), (1075, 76517), (1505, 54655), (2975, 27649), (3215, 25585), (3655, 22505), (4501, 18275), (5117, 16075), (7525, 10931)]