1293983999

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{563}}^1\times {\mathrm{1571}}^1$

素因数の和:2171

約数の個数: 32

約数和(自身を含む): 1702287360

約数和(自身を除く): 408303361

約数列:

[1, 7, 11, 19, 77, 133, 209, 563, 1463, 1571, 3941, 6193, 10697, 10997, 17281, 29849, 43351, 74879, 117667, 120967, 208943, 328339, 823669, 884473, 2298373, 6191311, 9729203, 16804987, 68104421, 117634909, 184854857, 1293983999]

約数ペア:

[(1, 1293983999), (7, 184854857), (11, 117634909), (19, 68104421), (77, 16804987), (133, 9729203), (209, 6191311), (563, 2298373), (1463, 884473), (1571, 823669), (3941, 328339), (6193, 208943), (10697, 120967), (10997, 117667), (17281, 74879), (29849, 43351)]