1289531881

素因数分解:

${\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{103}}^1\times {\mathrm{1619}}^1$

素因数の和:1789

約数の個数: 32

約数和(自身を含む): 1536537600

約数和(自身を除く): 247005719

約数列:

[1, 11, 19, 37, 103, 209, 407, 703, 1133, 1619, 1957, 3811, 7733, 17809, 21527, 30761, 41921, 59903, 72409, 166757, 338371, 658933, 796499, 1138157, 1834327, 3168383, 6170009, 12519727, 34852213, 67870099, 117230171, 1289531881]

約数ペア:

[(1, 1289531881), (11, 117230171), (19, 67870099), (37, 34852213), (103, 12519727), (209, 6170009), (407, 3168383), (703, 1834327), (1133, 1138157), (1619, 796499), (1957, 658933), (3811, 338371), (7733, 166757), (17809, 72409), (21527, 59903), (30761, 41921)]