205753405

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{9923}}^1$

素因数の和:9981

約数の個数: 32

約数和(自身を含む): 300101760

約数和(自身を除く): 94348355

約数列:

[1, 5, 11, 13, 29, 55, 65, 143, 145, 319, 377, 715, 1595, 1885, 4147, 9923, 20735, 49615, 109153, 128999, 287767, 545765, 644995, 1418989, 1438835, 3165437, 3740971, 7094945, 15827185, 18704855, 41150681, 205753405]

約数ペア:

[(1, 205753405), (5, 41150681), (11, 18704855), (13, 15827185), (29, 7094945), (55, 3740971), (65, 3165437), (143, 1438835), (145, 1418989), (319, 644995), (377, 545765), (715, 287767), (1595, 128999), (1885, 109153), (4147, 49615), (9923, 20735)]