12990444

素因数分解:

$2^2\times 3^1\times {\mathrm{71}}^1\times {\mathrm{79}}^1\times {\mathrm{193}}^1$

素因数の和:350

約数の個数: 48

約数和(自身を含む): 31288320

約数和(自身を除く): 18297876

約数列:

[1, 2, 3, 4, 6, 12, 71, 79, 142, 158, 193, 213, 237, 284, 316, 386, 426, 474, 579, 772, 852, 948, 1158, 2316, 5609, 11218, 13703, 15247, 16827, 22436, 27406, 30494, 33654, 41109, 45741, 54812, 60988, 67308, 82218, 91482, 164436, 182964, 1082537, 2165074, 3247611, 4330148, 6495222, 12990444]

約数ペア:

[(1, 12990444), (2, 6495222), (3, 4330148), (4, 3247611), (6, 2165074), (12, 1082537), (71, 182964), (79, 164436), (142, 91482), (158, 82218), (193, 67308), (213, 60988), (237, 54812), (284, 45741), (316, 41109), (386, 33654), (426, 30494), (474, 27406), (579, 22436), (772, 16827), (852, 15247), (948, 13703), (1158, 11218), (2316, 5609)]