208084205

素因数分解:

$5^1\times 7^1\times {\mathrm{103}}^1\times {\mathrm{197}}^1\times {\mathrm{293}}^1$

素因数の和:605

約数の個数: 32

約数和(自身を含む): 290594304

約数和(自身を除く): 82510099

約数列:

[1, 5, 7, 35, 103, 197, 293, 515, 721, 985, 1379, 1465, 2051, 3605, 6895, 10255, 20291, 30179, 57721, 101455, 142037, 150895, 211253, 288605, 404047, 710185, 1056265, 2020235, 5945263, 29726315, 41616841, 208084205]

約数ペア:

[(1, 208084205), (5, 41616841), (7, 29726315), (35, 5945263), (103, 2020235), (197, 1056265), (293, 710185), (515, 404047), (721, 288605), (985, 211253), (1379, 150895), (1465, 142037), (2051, 101455), (3605, 57721), (6895, 30179), (10255, 20291)]