28665195

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{137}}^1$

素因数の和:224

約数の個数: 64

約数和(自身を含む): 52859520

約数和(自身を除く): 24194325

約数列:

[1, 3, 5, 13, 15, 29, 37, 39, 65, 87, 111, 137, 145, 185, 195, 377, 411, 435, 481, 555, 685, 1073, 1131, 1443, 1781, 1885, 2055, 2405, 3219, 3973, 5069, 5343, 5365, 5655, 7215, 8905, 11919, 13949, 15207, 16095, 19865, 25345, 26715, 41847, 51649, 59595, 65897, 69745, 76035, 147001, 154947, 197691, 209235, 258245, 329485, 441003, 735005, 774735, 988455, 1911013, 2205015, 5733039, 9555065, 28665195]

約数ペア:

[(1, 28665195), (3, 9555065), (5, 5733039), (13, 2205015), (15, 1911013), (29, 988455), (37, 774735), (39, 735005), (65, 441003), (87, 329485), (111, 258245), (137, 209235), (145, 197691), (185, 154947), (195, 147001), (377, 76035), (411, 69745), (435, 65897), (481, 59595), (555, 51649), (685, 41847), (1073, 26715), (1131, 25345), (1443, 19865), (1781, 16095), (1885, 15207), (2055, 13949), (2405, 11919), (3219, 8905), (3973, 7215), (5069, 5655), (5343, 5365)]