1299968

素因数分解:

$2^9\times {\mathrm{2539}}^1$

素因数の和:2557

約数の個数: 20

約数和(自身を含む): 2598420

約数和(自身を除く): 1298452

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 256, 512, 2539, 5078, 10156, 20312, 40624, 81248, 162496, 324992, 649984, 1299968]

約数ペア:

[(1, 1299968), (2, 649984), (4, 324992), (8, 162496), (16, 81248), (32, 40624), (64, 20312), (128, 10156), (256, 5078), (512, 2539)]