890996659

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{193}}^1\times {\mathrm{337}}^1$

素因数の和:659

約数の個数: 32

約数和(自身を含む): 1091118080

約数和(自身を除く): 200121421

約数列:

[1, 7, 19, 103, 133, 193, 337, 721, 1351, 1957, 2359, 3667, 6403, 13699, 19879, 25669, 34711, 44821, 65041, 139153, 242977, 377701, 455287, 659509, 1235779, 2643907, 4616563, 6699223, 8650453, 46894561, 127285237, 890996659]

約数ペア:

[(1, 890996659), (7, 127285237), (19, 46894561), (103, 8650453), (133, 6699223), (193, 4616563), (337, 2643907), (721, 1235779), (1351, 659509), (1957, 455287), (2359, 377701), (3667, 242977), (6403, 139153), (13699, 65041), (19879, 44821), (25669, 34711)]