65980655

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{29}}^2\times {\mathrm{71}}^1$

素因数の和:164

約数の個数: 48

約数和(自身を含む): 94820544

約数和(自身を除く): 28839889

約数列:

[1, 5, 13, 17, 29, 65, 71, 85, 145, 221, 355, 377, 493, 841, 923, 1105, 1207, 1885, 2059, 2465, 4205, 4615, 6035, 6409, 10295, 10933, 14297, 15691, 26767, 32045, 35003, 54665, 59711, 71485, 78455, 133835, 175015, 185861, 298555, 455039, 776243, 929305, 1015087, 2275195, 3881215, 5075435, 13196131, 65980655]

約数ペア:

[(1, 65980655), (5, 13196131), (13, 5075435), (17, 3881215), (29, 2275195), (65, 1015087), (71, 929305), (85, 776243), (145, 455039), (221, 298555), (355, 185861), (377, 175015), (493, 133835), (841, 78455), (923, 71485), (1105, 59711), (1207, 54665), (1885, 35003), (2059, 32045), (2465, 26767), (4205, 15691), (4615, 14297), (6035, 10933), (6409, 10295)]