158678421

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{199}}^1\times {\mathrm{331}}^1$

素因数の和:617

約数の個数: 32

約数和(自身を含む): 235852800

約数和(自身を除く): 77174379

約数列:

[1, 3, 11, 33, 73, 199, 219, 331, 597, 803, 993, 2189, 2409, 3641, 6567, 10923, 14527, 24163, 43581, 65869, 72489, 159797, 197607, 265793, 479391, 724559, 797379, 2173677, 4808437, 14425311, 52892807, 158678421]

約数ペア:

[(1, 158678421), (3, 52892807), (11, 14425311), (33, 4808437), (73, 2173677), (199, 797379), (219, 724559), (331, 479391), (597, 265793), (803, 197607), (993, 159797), (2189, 72489), (2409, 65869), (3641, 43581), (6567, 24163), (10923, 14527)]