208538781695

素因数分解:

$5^1\times {\mathrm{139}}^1\times {\mathrm{3823}}^1\times {\mathrm{78487}}^1$

素因数の和:82454

約数の個数: 16

約数和(自身を含む): 252116014080

約数和(自身を除く): 43577232385

約数列:

[1, 5, 139, 695, 3823, 19115, 78487, 392435, 531397, 2656985, 10909693, 54548465, 300055801, 1500279005, 41707756339, 208538781695]

約数ペア:

[(1, 208538781695), (5, 41707756339), (139, 1500279005), (695, 300055801), (3823, 54548465), (19115, 10909693), (78487, 2656985), (392435, 531397)]