978046993

素因数分解:

$7^1\times {\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{193}}^2$

素因数の和:446

約数の個数: 36

約数和(自身を含む): 1274859264

約数和(自身を除く): 296812271

約数列:

[1, 7, 11, 31, 77, 121, 193, 217, 341, 847, 1351, 2123, 2387, 3751, 5983, 14861, 23353, 26257, 37249, 41881, 65813, 163471, 260743, 409739, 460691, 723943, 1154719, 2868173, 4507129, 5067601, 8083033, 12701909, 31549903, 88913363, 139720999, 978046993]

約数ペア:

[(1, 978046993), (7, 139720999), (11, 88913363), (31, 31549903), (77, 12701909), (121, 8083033), (193, 5067601), (217, 4507129), (341, 2868173), (847, 1154719), (1351, 723943), (2123, 460691), (2387, 409739), (3751, 260743), (5983, 163471), (14861, 65813), (23353, 41881), (26257, 37249)]