208739895

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{4933}}^1$

素因数の和:4992

約数の個数: 64

約数和(自身を含む): 424402944

約数和(自身を除く): 215663049

約数列:

[1, 3, 5, 7, 13, 15, 21, 31, 35, 39, 65, 91, 93, 105, 155, 195, 217, 273, 403, 455, 465, 651, 1085, 1209, 1365, 2015, 2821, 3255, 4933, 6045, 8463, 14105, 14799, 24665, 34531, 42315, 64129, 73995, 103593, 152923, 172655, 192387, 320645, 448903, 458769, 517965, 764615, 961935, 1070461, 1346709, 1987999, 2244515, 2293845, 3211383, 5352305, 5963997, 6733545, 9939995, 13915993, 16056915, 29819985, 41747979, 69579965, 208739895]

約数ペア:

[(1, 208739895), (3, 69579965), (5, 41747979), (7, 29819985), (13, 16056915), (15, 13915993), (21, 9939995), (31, 6733545), (35, 5963997), (39, 5352305), (65, 3211383), (91, 2293845), (93, 2244515), (105, 1987999), (155, 1346709), (195, 1070461), (217, 961935), (273, 764615), (403, 517965), (455, 458769), (465, 448903), (651, 320645), (1085, 192387), (1209, 172655), (1365, 152923), (2015, 103593), (2821, 73995), (3255, 64129), (4933, 42315), (6045, 34531), (8463, 24665), (14105, 14799)]