201689995

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{72161}}^1$

素因数の和:72222

約数の個数: 16

約数和(自身を含む): 266710752

約数和(自身を除く): 65020757

約数列:

[1, 5, 13, 43, 65, 215, 559, 2795, 72161, 360805, 938093, 3102923, 4690465, 15514615, 40337999, 201689995]

約数ペア:

[(1, 201689995), (5, 40337999), (13, 15514615), (43, 4690465), (65, 3102923), (215, 938093), (559, 360805), (2795, 72161)]