208730483975

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{137}}^1\times {\mathrm{59341}}^1$

素因数の和:59580

約数の個数: 48

約数和(自身を含む): 284328885120

約数和(自身を除く): 75598401145

約数列:

[1, 5, 13, 25, 65, 79, 137, 325, 395, 685, 1027, 1781, 1975, 3425, 5135, 8905, 10823, 25675, 44525, 54115, 59341, 140699, 270575, 296705, 703495, 771433, 1483525, 3517475, 3857165, 4687939, 8129717, 19285825, 23439695, 40648585, 60943207, 105686321, 117198475, 203242925, 304716035, 528431605, 642247643, 1523580175, 2642158025, 3211238215, 8349219359, 16056191075, 41746096795, 208730483975]

約数ペア:

[(1, 208730483975), (5, 41746096795), (13, 16056191075), (25, 8349219359), (65, 3211238215), (79, 2642158025), (137, 1523580175), (325, 642247643), (395, 528431605), (685, 304716035), (1027, 203242925), (1781, 117198475), (1975, 105686321), (3425, 60943207), (5135, 40648585), (8905, 23439695), (10823, 19285825), (25675, 8129717), (44525, 4687939), (54115, 3857165), (59341, 3517475), (140699, 1483525), (270575, 771433), (296705, 703495)]