2639872

素因数分解:

$2^{11}\times {\mathrm{1289}}^1$

素因数の和:1311

約数の個数: 24

約数和(自身を含む): 5282550

約数和(自身を除く): 2642678

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 256, 512, 1024, 1289, 2048, 2578, 5156, 10312, 20624, 41248, 82496, 164992, 329984, 659968, 1319936, 2639872]

約数ペア:

[(1, 2639872), (2, 1319936), (4, 659968), (8, 329984), (16, 164992), (32, 82496), (64, 41248), (128, 20624), (256, 10312), (512, 5156), (1024, 2578), (1289, 2048)]