6440768

素因数分解:

$2^6\times {\mathrm{157}}^1\times {\mathrm{641}}^1$

素因数の和:810

約数の個数: 28

約数和(自身を含む): 12882372

約数和(自身を除く): 6441604

約数列:

[1, 2, 4, 8, 16, 32, 64, 157, 314, 628, 641, 1256, 1282, 2512, 2564, 5024, 5128, 10048, 10256, 20512, 41024, 100637, 201274, 402548, 805096, 1610192, 3220384, 6440768]

約数ペア:

[(1, 6440768), (2, 3220384), (4, 1610192), (8, 805096), (16, 402548), (32, 201274), (64, 100637), (157, 41024), (314, 20512), (628, 10256), (641, 10048), (1256, 5128), (1282, 5024), (2512, 2564)]