209216768

素因数分解:

$2^8\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{643}}^1$

素因数の和:731

約数の個数: 72

約数和(自身を含む): 442288896

約数和(自身を除く): 233072128

約数列:

[1, 2, 4, 8, 16, 31, 32, 41, 62, 64, 82, 124, 128, 164, 248, 256, 328, 496, 643, 656, 992, 1271, 1286, 1312, 1984, 2542, 2572, 2624, 3968, 5084, 5144, 5248, 7936, 10168, 10288, 10496, 19933, 20336, 20576, 26363, 39866, 40672, 41152, 52726, 79732, 81344, 82304, 105452, 159464, 162688, 164608, 210904, 318928, 325376, 421808, 637856, 817253, 843616, 1275712, 1634506, 1687232, 2551424, 3269012, 3374464, 5102848, 6538024, 6748928, 13076048, 26152096, 52304192, 104608384, 209216768]

約数ペア:

[(1, 209216768), (2, 104608384), (4, 52304192), (8, 26152096), (16, 13076048), (31, 6748928), (32, 6538024), (41, 5102848), (62, 3374464), (64, 3269012), (82, 2551424), (124, 1687232), (128, 1634506), (164, 1275712), (248, 843616), (256, 817253), (328, 637856), (496, 421808), (643, 325376), (656, 318928), (992, 210904), (1271, 164608), (1286, 162688), (1312, 159464), (1984, 105452), (2542, 82304), (2572, 81344), (2624, 79732), (3968, 52726), (5084, 41152), (5144, 40672), (5248, 39866), (7936, 26363), (10168, 20576), (10288, 20336), (10496, 19933)]