78221555

素因数分解:

$5^1\times {\mathrm{29}}^1\times {\mathrm{139}}^1\times {\mathrm{3881}}^1$

素因数の和:4054

約数の個数: 16

約数和(自身を含む): 97826400

約数和(自身を除く): 19604845

約数列:

[1, 5, 29, 139, 145, 695, 3881, 4031, 19405, 20155, 112549, 539459, 562745, 2697295, 15644311, 78221555]

約数ペア:

[(1, 78221555), (5, 15644311), (29, 2697295), (139, 562745), (145, 539459), (695, 112549), (3881, 20155), (4031, 19405)]