987648

素因数分解:

$2^9\times 3^1\times {\mathrm{643}}^1$

素因数の和:664

約数の個数: 40

約数和(自身を含む): 2635248

約数和(自身を除く): 1647600

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 64, 96, 128, 192, 256, 384, 512, 643, 768, 1286, 1536, 1929, 2572, 3858, 5144, 7716, 10288, 15432, 20576, 30864, 41152, 61728, 82304, 123456, 164608, 246912, 329216, 493824, 987648]

約数ペア:

[(1, 987648), (2, 493824), (3, 329216), (4, 246912), (6, 164608), (8, 123456), (12, 82304), (16, 61728), (24, 41152), (32, 30864), (48, 20576), (64, 15432), (96, 10288), (128, 7716), (192, 5144), (256, 3858), (384, 2572), (512, 1929), (643, 1536), (768, 1286)]