51453985

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{113}}^1\times {\mathrm{487}}^1$

素因数の和:633

約数の個数: 32

約数和(自身を含む): 72099072

約数和(自身を除く): 20645087

約数列:

[1, 5, 11, 17, 55, 85, 113, 187, 487, 565, 935, 1243, 1921, 2435, 5357, 6215, 8279, 9605, 21131, 26785, 41395, 55031, 91069, 105655, 275155, 455345, 605341, 935527, 3026705, 4677635, 10290797, 51453985]

約数ペア:

[(1, 51453985), (5, 10290797), (11, 4677635), (17, 3026705), (55, 935527), (85, 605341), (113, 455345), (187, 275155), (487, 105655), (565, 91069), (935, 55031), (1243, 41395), (1921, 26785), (2435, 21131), (5357, 9605), (6215, 8279)]