25192385

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^2\times {\mathrm{821}}^1$

素因数の和:881

約数の個数: 24

約数和(自身を含む): 33823656

約数和(自身を除く): 8631271

約数列:

[1, 5, 17, 19, 85, 95, 323, 361, 821, 1615, 1805, 4105, 6137, 13957, 15599, 30685, 69785, 77995, 265183, 296381, 1325915, 1481905, 5038477, 25192385]

約数ペア:

[(1, 25192385), (5, 5038477), (17, 1481905), (19, 1325915), (85, 296381), (95, 265183), (323, 77995), (361, 69785), (821, 30685), (1615, 15599), (1805, 13957), (4105, 6137)]