636405965

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{337}}^1\times {\mathrm{1709}}^1$

素因数の和:2081

約数の個数: 32

約数和(自身を含む): 873905760

約数和(自身を除く): 237499795

約数列:

[1, 5, 13, 17, 65, 85, 221, 337, 1105, 1685, 1709, 4381, 5729, 8545, 21905, 22217, 28645, 29053, 74477, 111085, 145265, 372385, 377689, 575933, 1888445, 2879665, 7487129, 9790861, 37435645, 48954305, 127281193, 636405965]

約数ペア:

[(1, 636405965), (5, 127281193), (13, 48954305), (17, 37435645), (65, 9790861), (85, 7487129), (221, 2879665), (337, 1888445), (1105, 575933), (1685, 377689), (1709, 372385), (4381, 145265), (5729, 111085), (8545, 74477), (21905, 29053), (22217, 28645)]