27779978

素因数分解:

$2^1\times {\mathrm{43}}^1\times {\mathrm{317}}^1\times {\mathrm{1019}}^1$

素因数の和:1381

約数の個数: 16

約数和(自身を含む): 42815520

約数和(自身を除く): 15035542

約数列:

[1, 2, 43, 86, 317, 634, 1019, 2038, 13631, 27262, 43817, 87634, 323023, 646046, 13889989, 27779978]

約数ペア:

[(1, 27779978), (2, 13889989), (43, 646046), (86, 323023), (317, 87634), (634, 43817), (1019, 27262), (2038, 13631)]