204989995

素因数分解:

$5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{167}}^1\times {\mathrm{2063}}^1$

素因数の和:2259

約数の個数: 32

約数和(自身を含む): 299593728

約数和(自身を除く): 94603733

約数列:

[1, 5, 7, 17, 35, 85, 119, 167, 595, 835, 1169, 2063, 2839, 5845, 10315, 14195, 14441, 19873, 35071, 72205, 99365, 175355, 245497, 344521, 1227485, 1722605, 2411647, 5856857, 12058235, 29284285, 40997999, 204989995]

約数ペア:

[(1, 204989995), (5, 40997999), (7, 29284285), (17, 12058235), (35, 5856857), (85, 2411647), (119, 1722605), (167, 1227485), (595, 344521), (835, 245497), (1169, 175355), (2063, 99365), (2839, 72205), (5845, 35071), (10315, 19873), (14195, 14441)]