418829255

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{19949}}^1$

素因数の和:20003

約数の個数: 32

約数和(自身を含む): 603288000

約数和(自身を除く): 184458745

約数列:

[1, 5, 13, 17, 19, 65, 85, 95, 221, 247, 323, 1105, 1235, 1615, 4199, 19949, 20995, 99745, 259337, 339133, 379031, 1296685, 1695665, 1895155, 4408729, 4927403, 6443527, 22043645, 24637015, 32217635, 83765851, 418829255]

約数ペア:

[(1, 418829255), (5, 83765851), (13, 32217635), (17, 24637015), (19, 22043645), (65, 6443527), (85, 4927403), (95, 4408729), (221, 1895155), (247, 1695665), (323, 1296685), (1105, 379031), (1235, 339133), (1615, 259337), (4199, 99745), (19949, 20995)]