13021745

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{733}}^1$

素因数の和:785

約数の個数: 32

約数和(自身を含む): 19025280

約数和(自身を除く): 6003535

約数列:

[1, 5, 11, 17, 19, 55, 85, 95, 187, 209, 323, 733, 935, 1045, 1615, 3553, 3665, 8063, 12461, 13927, 17765, 40315, 62305, 69635, 137071, 153197, 236759, 685355, 765985, 1183795, 2604349, 13021745]

約数ペア:

[(1, 13021745), (5, 2604349), (11, 1183795), (17, 765985), (19, 685355), (55, 236759), (85, 153197), (95, 137071), (187, 69635), (209, 62305), (323, 40315), (733, 17765), (935, 13927), (1045, 12461), (1615, 8063), (3553, 3665)]